Sound Class 9 Easiest Full Chapter in One-Shot Explanation | 2022-23 | PRanay Chouhan | Just Padhle

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3:12 What is sound 4:15 Wave motion 6:39 Vibrational motion 9:03 Particle vs wave motion 9:25 Types of waves : mechanical and non mechanical 11:07 Longitudinal and transverse 12:43 Production of sound 15:34 Propagation of sound 29:43 Sound needs a medium to travel 31:10 Continue Propagation of sound 34:20 General characteristics of Wave : Wavelength 36:54 Frequency 39:32 Time period 40:55 Amplitude 42:48 General characteristics of wave : Pitch 43:27 Loudness 43:45 Intensity 44:34 Timber 45:21 Tone and note 50:03 Relation between time period and frequency 50:56 What is the speed of sound 54:53 Reflection of sound 55:59 Echo and Reverberation 01:04:36 Ex 12.2 01:04:47 Uses of Reflection 01:05:41 Range of hearing : Infrasound and Ultrasound 01:09:07 Application of ultrasound 01:09:44 Question 01:10:39 One min revision 01:10:55 The end..... Edit: Thanks for 2k likes❤ Next Target like: 2.5k😅 Edit: Sab apne exam phod Dena😉

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thznks

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🎯 Key Takeaways for quick navigation: 00:18 🎶 *Sound is crucial; understanding its basics is essential for this chapter.* 02:18 📚 *Some details are omitted in this explanation for simplicity, ensuring the core concepts are understood.* 03:31 💡 *Sound is a form of energy that produces sensation in hearing; understanding its nature is vital.* 04:26 🌊 *Sound is a type of wave motion, different from particle motion, and understanding these distinctions is key.* 05:08 🔍 *Three types of motion are discussed: translational, rotational, and vibrational.* 05:23 🔄 *Vibrations and oscillations are crucial concepts in wave motion.* 06:35 🗣️ *Sound is essentially a form of vibration, where particles oscillate but do not displace significantly.* 07:31 🔊 *Sound is produced when objects collide, causing vibrations to propagate.* 08:16 📈 *Vibrations or wave motion progress through collisions, propagating further with each collision.* 08:46 🔊 *Particle motion and vibration energy transfer explanation.* 09:29 🌊 *Explanation of wave motion and types of waves.* 09:55 🔍 *Explanation of mechanical and non-mechanical waves and the role of medium.* 11:08 🌐 *Introduction to longitudinal wave transfer.* 11:51 ⬅️ *Understanding of wave vibration direction and propagation.* 13:47 🔊 *Vibrations resulting from collision lead to sound production, demonstrating the essential role of collision in creating sound.* 14:15 🔊 *Wave energy is produced through vibrations, illustrating the connection between vibrations and wave energy.* 15:23 🔊 *Sound production requires collision, emphasizing the necessity of collision for sound production to occur.* 16:05 🗣️ *Sound can travel through various mediums such as air, solid, liquid, or gas.* 16:32 🎚️ *Sound requires a medium for transmission, which could be solid, liquid, or gas.* 17:00 🔊 *Understanding the concept of medium in sound transmission is crucial, whether it's solid, liquid, or gas.* 17:43 🎙️ *The source of sound determines where sound originates, with particles vibrating and transmitting energy.* 18:36 🚗 *Sound propagation concepts lay the foundation for more complex topics in sound physics.* 19:32 🔊 *Sound travels through compression and rarefaction of particles in a medium.* 20:00 🔄 *Compression refers to particles being pushed closer together, while rarefaction is when they spread apart.* 20:45 🤔 *Compression and rarefaction are essential for sound waves to propagate.* 23:19 ⚡ *Collision between particles illustrates compression and subsequent rarefaction, crucial for sound transmission.* 24:42 📈 *Pressure variations in sound waves affect particle distribution.* 25:09 🎯 *Sound production involves compression followed by rarefaction.* 26:20 📊 *Graphing sound waves involves plotting compression and rarefaction.* 29:07 📉 *Graphs are drawn to represent compression and rarefaction in sound waves, aiding visualization of the wave's behavior.* 30:28 🔇 *Creating a vacuum inside a jar eliminates air particles, resulting in silence, demonstrating the necessity of a medium for sound transmission.* 30:58 🔊 *Sound travels faster in denser mediums due to particles being closer together.* 31:11 🌊 *Sound travels through different mediums by causing vibration in particles.* 31:37 ⚡ *Energy transfer occurs more efficiently when particles are closely packed.* 32:07 🌀 *Sound speed varies in different mediums due to particle spacing.* 32:34 🌐 *Characteristics of sound waves include wavelength, frequency, time period, and amplitude.* 33:30 📐 *Pressure and density change as sound waves propagate, affecting their characteristics.* 33:58 ⬆️ *Crest represents high pressure while trough represents low pressure in sound waves.* 34:13 📉 *Sound wave graphs depict pressure variation over time, showing crest, trough, and average density.* 34:39 🔍 *The distance between two crests or two troughs in a wave is called wavelength, measured in meters.* 36:01 📏 *The representation of wavelength using lambda (λ) symbol is the distance between two consecutive similar points in a wave.* 37:11 🔄 *Frequency refers to how often a phenomenon occurs within a given time frame, analogous to the number of occurrences per unit time.* 38:23 ⏰ *The frequency of waves determines how quickly they repeat within a given time frame, influencing their characteristics such as crest and trough occurrence.* 38:37 🎤 *Frequency is represented by the term "new," which corresponds to Hertz, indicating higher frequency means more oscillations.* 39:19 📐 *Understanding wavelength: longer wavelength means lower frequency, shorter wavelength means higher frequency.* 40:47 🌊 *Relationship between wavelength, time period, and frequency: longer wavelength or time period corresponds to lower frequency, shorter wavelength or time period corresponds to higher frequency.* 41:31 📏 *Amplitude relates to the extent of vibration from the rest position, where greater displacement means higher amplitude.* 42:21 🔊 *Wave properties like wavelength and amplitude affect sound intensity.* 44:10 🔉 *Adjusting amplitude affects loudness, with higher amplitude resulting in louder sounds.* 45:21 🔊 *Sounds with a single frequency are termed as "tone," while those with multiple frequencies are "timbre."* 47:04 🔊 *Loudness and frequency are independent characteristics of sound waves.* 47:45 🎶 *Changing frequency affects the pitch of sound, while changing amplitude affects the intensity of sound.* 48:17 🔊 *Intensity depends on amplitude, while loudness is subjective and varies from person to person.* 49:56 🔄 *Intensity is directly related to loudness, while frequency inversely relates to period.* 50:52 🎯 *Sound speed is calculated using the formula: Speed = Distance / Time.* 51:19 📏 *Wave length measures the distance between two crests or two troughs.* 53:32 🤔 *Speed of sound is independent of wavelength, frequency, and physical conditions under "normal" circumstances.* 54:41 🌊 *Sound travels faster through denser mediums like steel compared to less dense mediums like air.* 54:54 🔄 *Reflection of sound is similar to reflection of light and follows certain rules.* 55:23 🔍 *Understanding incident angle and reflection angle is crucial for understanding sound reflection.* 55:52 🔊 *Sound can reflect and propagate even when obstacles are present, leading to phenomena like reverberation.* 56:06 🗣️ *Echo and reverberation are two applications of sound reflection, with echo being immediate and reverberation being prolonged.* 56:45 🧠 *Our brain processes sound within 0.1 seconds, making it essential for clear sound reception.* 57:14 🛑 *Rapid succession of sounds within 0.1 seconds can hinder clear comprehension due to overlapping processing in the brain.* 57:52 🔄 *Differentiating between original sound and reflected sound helps in understanding sound clarity, with a 0.1-second interval between them being optimal.* 58:21 🔊 *Minimum condition for sound: To hear a sound distinctly, there should be a minimum difference of 0.1 second.* 58:36 📏 *Speed of sound: Calculated to be 344 meters per second in air.* 59:33 📏 *Distance calculation: Utilizing simple mathematical formulas to calculate distances based on known speeds and time requirements.* 01:00:02 🗣️ *Sound reflection: Calculating the minimum distance for sound to reflect back, ensuring clarity in transmission.* 01:00:59 🔄 *Sound travel distance: Determining the total distance traveled by sound based on known speed and time.* 01:02:08 🎯 *Understanding the speed of sound is crucial; it indicates how fast sound returns after reflection.* 01:02:46 💡 *Calculating minimum distance for sound reflection is vital for proper understanding and application.* 01:03:30 🕒 *Calculation of time taken for sound to travel a certain distance involves simple formulas.* 01:04:00 📢 *Reflection and reverberation play crucial roles in sound perception and acoustics.* 01:05:12 🔊 *Understanding sound reflection is essential for realizing how sound travels and reaches our ears effectively.* 01:05:40 🔊 *The concept of hearing range (20 Hz to 20,000 Hz) is crucial in understanding the capabilities of the human ear.* 01:06:50 🎧 *The range of human hearing encompasses sounds with frequencies ranging from 20 Hz to 20,000 Hz, beyond which infrasonic and ultrasonic sounds cannot be perceived.* 01:08:00 🦕 *Infrasonic sounds, below 20 Hz, can be heard by some animals like dinosaurs, while ultrasonic sounds, above 20,000 Hz, may be audible to certain animals like dolphins.* 01:09:09 💡 *Ultrasound has various medical applications, including sonography for imaging internal body structures and detecting conditions like kidney stones.* 01:09:38 💊 *Ultrasound with high frequencies can be used to break kidney stones, offering a treatment option for such conditions.* 01:09:56 📏 *Understanding the relationship between speed, distance, and time is crucial, as speed equals distance upon time.* Made with HARPA AI

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Itna notes maine pure chapter me nhi banaya

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@@i_reversal9329 ha wo Maine padha lekin mai bas bata rha tha

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Thankyou!!!

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Thanks😊😊😊😊😊😊

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EXAMS ARE NEAR NOTHING IS CLEAR BUT NO NEED TO FEAR PRANAY BHAIYA IS HERE

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Key Takeaways for quick navigation: 00:18 🎶 Sound is crucial; understanding its basics is essential for this chapter. 02:18 📚 Some details are omitted in this explanation for simplicity, ensuring the core concepts are understood. 03:31 💡 Sound is a form of energy that produces sensation in hearing; understanding its nature is vital. 04:26 🌊 Sound is a type of wave motion, different from particle motion, and understanding these distinctions is key. 05:08 🔍 Three types of motion are discussed: translational, rotational, and vibrational. 05:23 🔄 Vibrations and oscillations are crucial concepts in wave motion. 06:35 🗣 Sound is essentially a form of vibration, where particles oscillate but do not displace significantly. 07:31 🔊 Sound is produced when objects collide, causing vibrations to propagate. 08:16 📈 Vibrations or wave motion progress through collisions, propagating further with each collision. 08:46 🔊 Particle motion and vibration energy transfer explanation. 09:29 🌊 Explanation of wave motion and types of waves. 09:55 🔍 Explanation of mechanical and non-mechanical waves and the role of medium. 11:08 🌐 Introduction to longitudinal wave transfer. 11:51 ⬅ Understanding of wave vibration direction and propagation. 13:47 🔊 Vibrations resulting from collision lead to sound production, demonstrating the essential role of collision in creating sound. 14:15 🔊 Wave energy is produced through vibrations, illustrating the connection between vibrations and wave energy. 15:23 🔊 Sound production requires collision, emphasizing the necessity of collision for sound production to occur. 16:05 🗣 Sound can travel through various mediums such as air, solid, liquid, or gas. 16:32 🎚 Sound requires a medium for transmission, which could be solid, liquid, or gas. 17:00 🔊 Understanding the concept of medium in sound transmission is crucial, whether it's solid, liquid, or gas. 17:43 🎙 The source of sound determines where sound originates, with particles vibrating and transmitting energy. 18:36 🚗 Sound propagation concepts lay the foundation for more complex topics in sound physics. 19:32 🔊 Sound travels through compression and rarefaction of particles in a medium. 20:00 🔄 Compression refers to particles being pushed closer together, while rarefaction is when they spread apart. 20:45 🤔 Compression and rarefaction are essential for sound waves to propagate. 23:19 ⚡ Collision between particles illustrates compression and subsequent rarefaction, crucial for sound transmission. 24:42 📈 Pressure variations in sound waves affect particle distribution. 25:09 🎯 Sound production involves compression followed by rarefaction. 26:20 📊 Graphing sound waves involves plotting compression and rarefaction. 29:07 📉 Graphs are drawn to represent compression and rarefaction in sound waves, aiding visualization of the wave's behavior. 30:28 🔇 Creating a vacuum inside a jar eliminates air particles, resulting in silence, demonstrating the necessity of a medium for sound transmission. 30:58 🔊 Sound travels faster in denser mediums due to particles being closer together. 31:11 🌊 Sound travels through different mediums by causing vibration in particles. 31:37 ⚡ Energy transfer occurs more efficiently when particles are closely packed. 32:07 🌀 Sound speed varies in different mediums due to particle spacing. 32:34 🌐 Characteristics of sound waves include wavelength, frequency, time period, and amplitude. 33:30 📐 Pressure and density change as sound waves propagate, affecting their characteristics. 33:58 ⬆ Crest represents high pressure while trough represents low pressure in sound waves. 34:13 📉 Sound wave graphs depict pressure variation over time, showing crest, trough, and average density. 34:39 🔍 The distance between two crests or two troughs in a wave is called wavelength, measured in meters. 36:01 📏 The representation of wavelength using lambda (λ) symbol is the distance between two consecutive similar points in a wave. 37:11 🔄 Frequency refers to how often a phenomenon occurs within a given time frame, analogous to the number of occurrences per unit time. 38:23 ⏰ The frequency of waves determines how quickly they repeat within a given time frame, influencing their characteristics such as crest and trough occurrence. 38:37 🎤 Frequency is represented by the term "new," which corresponds to Hertz, indicating higher frequency means more oscillations. 39:19 📐 Understanding wavelength: longer wavelength means lower frequency, shorter wavelength means higher frequency. 40:47 🌊 Relationship between wavelength, time period, and frequency: longer wavelength or time period corresponds to lower frequency, shorter wavelength or time period corresponds to higher frequency. 41:31 📏 Amplitude relates to the extent of vibration from the rest position, where greater displacement means higher amplitude. 42:21 🔊 Wave properties like wavelength and amplitude affect sound intensity. 44:10 🔉 Adjusting amplitude affects loudness, with higher amplitude resulting in louder sounds. 45:21 🔊 Sounds with a single frequency are termed as "tone," while those with multiple frequencies are "timbre." 47:04 🔊 Loudness and frequency are independent characteristics of sound waves. 47:45 🎶 Changing frequency affects the pitch of sound, while changing amplitude affects the intensity of sound. 48:17 🔊 Intensity depends on amplitude, while loudness is subjective and varies from person to person. 49:56 🔄 Intensity is directly related to loudness, while frequency inversely relates to period. 50:52 🎯 Sound speed is calculated using the formula: Speed = Distance / Time. 51:19 📏 Wave length measures the distance between two crests or two troughs. 53:32 🤔 Speed of sound is independent of wavelength, frequency, and physical conditions under "normal" circumstances. 54:41 🌊 Sound travels faster through denser mediums like steel compared to less dense mediums like air. 54:54 🔄 Reflection of sound is similar to reflection of light and follows certain rules. 55:23 🔍 Understanding incident angle and reflection angle is crucial for understanding sound reflection. 55:52 🔊 Sound can reflect and propagate even when obstacles are present, leading to phenomena like reverberation. 56:06 🗣 Echo and reverberation are two applications of sound reflection, with echo being immediate and reverberation being prolonged. 56:45 🧠 Our brain processes sound within 0.1 seconds, making it essential for clear sound reception. 57:14 🛑 Rapid succession of sounds within 0.1 seconds can hinder clear comprehension due to overlapping processing in the brain. 57:52 🔄 Differentiating between original sound and reflected sound helps in understanding sound clarity, with a 0.1-second interval between them being optimal. 58:21 🔊 Minimum condition for sound: To hear a sound distinctly, there should be a minimum difference of 0.1 second. 58:36 📏 Speed of sound: Calculated to be 344 meters per second in air. 59:33 📏 Distance calculation: Utilizing simple mathematical formulas to calculate distances based on known speeds and time requirements. 01:00:02 🗣 Sound reflection: Calculating the minimum distance for sound to reflect back, ensuring clarity in transmission. 01:00:59 🔄 Sound travel distance: Determining the total distance traveled by sound based on known speed and time. 01:02:08 🎯 Understanding the speed of sound is crucial; it indicates how fast sound returns after reflection. 01:02:46 💡 Calculating minimum distance for sound reflection is vital for proper understanding and application. 01:03:30 🕒 Calculation of time taken for sound to travel a certain distance involves simple formulas. 01:04:00 📢 Reflection and reverberation play crucial roles in sound perception and acoustics. 01:05:12 🔊 Understanding sound reflection is essential for realizing how sound travels and reaches our ears effectively. 01:05:40 🔊 The concept of hearing range (20 Hz to 20,000 Hz) is crucial in understanding the capabilities of the human ear. 01:06:50 🎧 The range of human hearing encompasses sounds with frequencies ranging from 20 Hz to 20,000 Hz, beyond which infrasonic and ultrasonic sounds cannot be perceived. 01:08:00 🦕 Infrasonic sounds, below 20 Hz, can be heard by some animals like dinosaurs, while ultrasonic sounds, above 20,000 Hz, may be audible to certain animals like dolphins. 01:09:09 💡 Ultrasound has various medical applications, including sonography for imaging internal body structures and detecting conditions like kidney stones. 01:09:38 💊 Ultrasound with high frequencies can be used to break kidney stones, offering a treatment option for such conditions. 01:09:56 📏 Understanding the relationship between speed, distance, and time is crucial, as speed equals distance upon time.

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Padhte kab ho 😂

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Thanks

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TECHY YT 1 year ago (edited) 3:12 What is sound 4:15 Wave motion 6:39 Vibrational motion 9:03 Particle vs wave motion 9:25 Types of waves : mechanical and non mechanical 11:07 Longitudinal and transverse 12:43 Production of sound 15:34 Propagation of sound 29:43 Sound needs a medium to travel 31:10 Continue Propagation of sound 34:20 General characteristics of Wave : Wavelength 36:54 Frequency 39:32 Time period 40:55 Amplitude 42:48 General characteristics of wave : Pitch 43:27 Loudness 43:45 Intensity 44:34 Timber 45:21 Tone and note 50:03 Relation between time period and frequency 50:56 What is the speed of sound 54:53 Reflection of sound 55:59 Echo and Reverberation 01:04:36 Ex 12.2 01:04:47 Uses of Reflection 01:05:41 Range of hearing : Infrasound and Ultrasound 01:09:07 Application of ultrasound 01:09:44 Question 01:10:39 One min revision 01:10:55 Thank You Bachoo 😍😍 Edit: Thanks for 2k likes❤ Next Target like: 3.9😅 Edit: Sab apne exam phod Dena😉

[@satirthabiswas-lv2fo]

Copy paste huh

[@Excitedgaming859]

Newton 5 law state that exam is directly propotional to fear and stress in mind and inversely propotional to time taken to complete full syllabus in one night 🙃🙃

[@shriyanshupadhyay6452]

41:38 can you hear that sound in background???? Comment below Is it of.. Ambulance or polic ?? At 42:35 again that sound heared....!!

[@ahelis_arena]

[@ShadowGoku-dz6xq]

It's Ambulance 🚑

[@Nancy-qw6en]

The introduction was everything to me when he said " Kyu sunni hoti hai aawaz" It was very funny😂😂😂 He just brings fun of studies even in a subject like history thanks a lot pranay bhaiya/sir ❤

[@adarshgupta951]

😊

[@Daizyofficial696]

Army ????

[@HarshitFF1234]

Tomorrow is my science exam and the sound chapter is coming I am waiting for this chapter thank you so much bhaiya ❤️❤️❤️❤️

[@ayushxst]

Woah! You got heart from pranay bhaiya. Awesome

[@PANKAJ_AGRAWAL859]

Hello bro are u a ff player

[@LunaticMatterhmmm]

Only channel where you get knowledge in a humorous way ❤️All thanks to Pranay bhaiya

[@Abeer0509]

Himanish never gives up !!

[@hussain.am_]

@@Abeer0509 imagine simping

[@Abeer0509]

@@hussain.am_ bro it is a meme for a boy named himanish who is in my class it goes like "himanish never gives up, mata ka jagrata smth"

[@hussain.am_]

@@Abeer0509 but the person you replied to is himanshi not himanish

[@hussain.am_]

@@Abeer0509 btw that's real good 😂

[@adityasharma-dv7sd]

pranay bhaiya. best lecture on the channel..... u worked so hard for us just for us to score good in our exams. Thank you soooooo much!

[@LakshitaModi-zw1qq]

00:05 Understanding the importance of sound 03:03 Sound is a form of energy. 06:03 Sound is produced by vibrations 07:36 Sound is produced when two objects collide. 10:58 Sound is a longitudinal wave that propagates through a medium. 12:35 Sound is produced by collision, vibration, and wave energy. 15:55 Sound requires a medium to travel 17:21 Sound requires a material medium for travel. 20:09 Compression refers to the process of collecting and accumulating particles in close proximity. 21:45 Compression and collision are the key concepts in the chapter. 24:42 Sound is a wave that consists of compression and rarefaction. 26:13 Sound is compression, not a wave. 29:10 Sound propagation requires a medium 30:36 Sound travels through vibrations in different mediums. 33:18 Pressure and compression in sound waves. 34:47 The wavelength is the distance between two traps. 37:47 Frequency and wavelength are inversely proportional. 39:23 Short wavelength means high frequency and quick oscillation 42:27 Amplitude and its relationship with force and frequency. 43:55 Intensity and loudness depend on amplitude and intensity is measured in decibels. 47:22 Loudness and intensity are different concepts in sound. 49:20 Sound intensity depends on the amplitude and frequency of the sound wave. 52:06 The speed of sound is equal to the frequency 53:37 The speed of sound depends on the medium and its vibrations. 56:30 Sound processing in the brain takes 0.1 second 57:55 The minimum time difference between the original sound and the reflected sound should be 0.1 seconds. 1:00:52 Calculating the minimum distance for sound to bounce back 1:02:21 The minimum distance required for sound to travel is 34.4 meters. 1:05:07 Sound reflection and the range of human hearing 1:06:39 Sound range of hearing is between 20 Hz and 20,000 Hz 1:09:25 Ultrasound is used to treat infected kidney stones. 1:11:00 The sound chapter has been completed.

[@More_jr07]

I scored 38/40 in my exam thank you bhaiya

[@ashgaming2195]

congrats dude

[@himanshuseth1922]

Everything is temporary But Gattu and Bittu is permanent😂

[@manasviverma16]

IKRRRR noticed too

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Guys pls time tag kar do

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😅😅😅

[@cristiano19786]

Tomorrow is my UT of science which includes the chapter sound and i got it just few seconds ago.......... Hats off to u *PRanay Bhaiyaa*

[@advikapanwar]

I am just fascinated by your teaching and guitar playing skillss... Crystal clear ho gye concept 😄😃

[@garvsharma24]

53:48 Mai kaise baat Karu 😂 Joking aside, I have never seen a teacher like you ,your sense of teaching is next level Thanks For teaching us ❤

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Tum baat hèe mat kro 💀

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​@@cubereleated8266yeah baat 😂😂

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Kya baat hai😂

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13:18 mujhe laga Mera net nhi chal rhaa😅😅😅 By the the way Just padhle is best😊😊😊

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Same dude 😂😂😂

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Us bro us 😂

[@ichchakadam6264]

the guitar parttttttttt ooof PRanay bhaiyaa really grtttt

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😂😂

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Who likes Pranay bhaiya's Smile? 😊😊😀

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Me.

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C❤😂😊

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You were my best discovery pranay bhaiya🤧💖 and after discovering you i understood that nothing is actually boring its just the way of teaching and understanding ...✨

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@@NazirAhmad-th4gs ??

[@VishnuSharma-dr2yi]

Anyone notices the police sound on 42:35 mins btw aaj kal I liked my own comment likhne se jyada likes milte hai😂😂😂

[@savitamishra-d7q]

Haaa

[@GagandeepKaur-y3d]

Yes

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He tried his best for us❤😩

[@BlackVeilDiscoRoyaleInReverse]

No one teaches like you bro. May God bless you! I have nothing but love, respect and prayers for you.. from the bottom of my heart

[@gaminggeekyt5598]

""Bro""?! 💀

[@rajivjain0974]

Bro ? 😂😢

[@BlackVeilDiscoRoyaleInReverse]

What's with the surprise? 😂😂I know that my comment is cheesy and cringy... but the guy was a saviour for me in 9th.@@rajivjain0974

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america got talent bro got as

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💀Wha-

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THIS HELPS SOOOOOOOOO MUCH TO PPL WHO DONT UNDERSTAND THINGS AT SCHOOL, YOUR VIDS RLY DO HELP...THANKYOU!!!

[@sixstringsoulmate]

20 days left for finals Thank God i found this channel...i used to search for one shot lectures so that I can prep in short period of tym and this is the best channel for my last min prep...thanku so much bhaiya🔥

[@mokshsharma3772]

me toooooo are you in dav

[@sanjayjio1972]

Hmare to 13 se hai 😞

[@Shubh-qz7pn]

@@sanjayjio1972 Matlab Kal sai? Mere toh 25 sai hain

[@Shubh-qz7pn]

@@scienceclass7th302 matlab

[@Shubh-qz7pn]

@@scienceclass7th302 3 baje konsai exam hote hai bro?

[@shivani6286]

ur great pranay bhaiya u mix the study with joy and fun or kb video ka end aa gya pta bhi nhi chla😌THANK YOU

[@InfiniteImmersive665]

Newton 5th law state that the exam is directly proportional to fear and stress in mind and inversely proportional to time taken to complete full syllabus in one night 🙃

[@ayushxst]

Thank u bhaiya for this awesome lecture. I completed almost whole syllabus from you and your team. This is the best lecture on youtube and funny too😆. Congrats to Just Padhle for being the best channel for class 9th. May u hit a million subscribers soon.Thanks a lot❤❤

[@tanvi-4769]

8:22 that "aree meri jaan" was just😂🔥 ❤️❤️...u r the best teacher bhaiya.....thank u soo much for all your efforts 🥰

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🤣🤣

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😂😂👌🏻👌🏻

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@@monika_o_o 😂😂

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😂😂

[@manrajaulakh6175]

To all the grade 9 appearing final exams on 2023 i wish u all the best of luck🖤💫

[@HetalSingh-oh6qj]

13:21 mujhe laga ki video pause ho gya kon kon notice kiya 😅😅

[@f.fgamer4268]

Ha😅😅😅😅😅

[@ØM__PRINCE-VIP]

Maja aagya lecture me aaj 🤣🤣🤣 54:25

[@Thakur_0918]

My fav part!! 😂😂😂 28:03 Bhai !! Aise aise hoti ha na bhaiya sooo cute and funny!😂

[@singhjeetkushwaha297]

👍

[@nitinsaxena4906]

FINALLY THE MUCH AWAITED LECTURE!!!

[@srushtiatharva1216]

The way you played guitar bhaiyaaa is awesomeeeeee ❤️❤️❤️❤️❤️❤️❤️ and thank you so much for for this video I was waiting since long time for this.. and finallyyy❤️❤️🥺

[@dhamakedareditor4922]

4:18 very interesting part 👍

[@Idkwhattu]

Pranay bhaiya you're the best, we really needed this type of lectures it's really helpful for a revision before exams..hope we'll get teachers like you in our life ahead ❤️

[@sunitakumarimishra8300]

I was just searching a video about sound and finally I got this notification.This video made my rest of the day Pranay Bhai is the best ❤️

[@arian.ydv.]

Waiting for this chapter from very long time 😁 finally got it 🥳 thanks pranay bhaiya

[@deepjangir3428]

the intro got me goosebumps!!😍

[@preetyadav8124]

Bhai tera emoji mast lga

[@SakshiSingh-12315]

Mujhe v ...❤❤

[@seemalather4819]

13:18 mujhe lga mere phone hang maar gya 😅😅 Edited:pls 1k likes

[@Chaitanyajain-l4z]

41:38 siren sound coming 42:34 siren sound coming

[@sharique0707]

1:09:02 bhai, i am literally studying at 3am alone and you just scared the shit out of me by saying those words 💀

[@adyashamohanty8079]

pehele neend poori kar lo jii

[@manionduty1]

npc

[@-spider2501-]

thank you so much Bhaiya! The way you teach is sure to never make us forget the concepts😄❤

[@idhargamerz69]

Defination of wave - when an energy is displaced from the source to the receiver but here neither the sorce and not the receiver moves it travels through the mediums and while traveling through the medium it causes some disturbtions and this disturbions are called waves Thank me later

[@MannitDahiya]

53:46 just play it for bhaiya

[@Islamic_treasures837]

Exams are near Nothing is clear But no need to fear PRANAY BHIYA is here 🤌❣️

[@Reputation2656]

Waiting for this lecture from about 3 weeks ! Finally !!! Now I can say my science revision comes to an end 😅 Thanks Bhaiya!!!

[@jaiparkashsingh4059]

Bhaiya you know that in the way you use to present a lecture is so energetic ❤️❤️❤️❤️ whe studying we feel so excited 🥰🥰🥰

[@raj07829]

42:35 bheya ko pakarne police aayi hai 🚔🚓👮👮‍♀️👮‍♂️🚨😂😂

[@ria_goswami14]

Mujhe apke jesa cool bhai chahiye😢

[@activitytimewithr0801]

Bhaiya bas jagat bhaiya na ban jaye 😂😂😂

[@dipeshraut1874]

Thank you bhaiyya! Aisa video dekhke aise dil me khushi hoti hai...

[@savitamishra-d7q]

42:32 ambulance

[@Anaikapandey]

THANK YOU, BHAIYA, WE WERE WAITING FOR THIS CHAPTER ONLY WITH THIS WE HAVE COMPLETED OUR SYLLABUS.

[@aloomatar1810]

Nahi mera toh kabka khatam ho gaya gawar ye toh bas revision hai

[@krishreal24]

Kal exam h aur abhi yeh video is just like a saviour, cuz its uploaded just one day before my exam

[@GauravThakur-...]

Pranay bhaia aache se samjhaya aapne I love your technique ❤❤

[@kapilpainkra2912]

17:56 17:57 17:57

[@Sarcastic__UV]

Kya be

[@kapilpainkra2912]

@@Sarcastic__UV tere ko kya ho Raha mai kuch bhi kru😡😡😡😡😡😡😡😡😡

[@vipulgarchar9946]

Aapke sare chapters science ke explain kiye hue mene dekh liye and today i am watching your last video and my syllabus will be finished...i will always prefer your videos for quick revision thank you for everything sir...I literally Lived class 9 with you💗

[@riyarai1484]

Bhaiyaa theeee most awaited chapter thank youuu😭❤️

[@AnshulBharti-de3hm]

Hii

[@Raju_Ahirkar502]

Friends in topic of 1:03:42 echo the total time was (0.1s) 😊 and I was thinking how (0.15) comes😅😂😂

[@sonaljha2009]

PRanay bHaiya, you are the best ✨💓, this is the shortest, and interesting lecture..And thank you so much for jwala ( amazing set of videos )..✨☺️ ThankYou once again..🙏🏻✨✨

[@adityaprajapatiprajapati3005]

Hii

[@Aadchenn456]

@@adityaprajapatiprajapati3005Ladki ne comment Kita ya nahi aagya THARKI

[@Anupma_23]

Thanks sir for this wonderful explaination 😃 I needed the chapter in one go . This channel is the best 🥰

[@Zoya504.08]

Sir love your content , hats off to u 🙌🏼

[@RHGREDEYE]

Sound chapter meh jin logo ko ambulance ka sound sunai diya wo like kare😅

[@SiddharthMaurya-l2h]

Haa

[@bhatsehran1043]

Thanku sir❤

[@mr.-rb3pq]

53:45 was hilarious moment 😂😂

[@ritika_inamdar]

My exam will begin in the 8 hours thank God I watched this video now my concept is clear thankyou sirr😂👍👍

[@arjunkotwal-st7tn]

Means you're watching the video before going to bed 😂😂❤❤

[@m.jgaming9521]

Kis kis ne aumbulance ki aawaz suni😂😅😅

[@nawab____boy____01_]

Tune suni hogi

[@Erenyeager-hp9vl.]

Tumne bhai 😂😂😂

[@pinkikanwar-kc3yp]

42:34 ambulance sound😂😂

[@ft.shreyaaz_.842]

Yaa guys.. I also heard 😂😂...

[@Redhairedguy24]

4:16 what that noise ☠️

[@Harshvilogin]

ululullu

[@Naru1299-d6c]

32:54 42:03

[@wonderfulworld2760]

Bhaiya abh hamlog class 10th mein jayenge toh uske baad bhi 10th ke liye video daalte rahiyega Btw your teaching is awesome 🤠😍

[@vinodsaxena29]

Bhaiya you should also start a guitar teaching channel 🙂🙂

[@anushkajadhav3753]

I was seriously waiting for this lecture Thanks bhaaaayyyyaaaaaa God always bless you U saved my few precious marks through this lecture 😍

[@aloomatar1810]

Sobo girl hai kya bhaayaaaaaa cringe kahi ki

[@Ancy_music]

Thank you so much bhaiya for this wonderful video 🥰☺️and I was shocked when you play ukulele but I can relate this cuz I play piano. Bhaiya tomorrow is my exam and this video was perfect for me and all the students who are watching before exams. Once again thank a lot bro ♥️🥰☺️

[@Min_music440]

Love your channel bhaiya 🔥❤️❤️❤️

[@akanshabsr8197]

Time period 53:47 is memorable😂

[@raj07829]

0:23 bheya apne talent ka flex kr rhe hai 😂

[@msrgamer1289]

😂😂😂

[@Techno_inventor]

Nahi wo taar hilanae ki awaaz ko flex kar raha hai 😂😂

[@khushiyadav1018]

Sir your explanation is just wow💕I usually do not understand physics but after seeing this video mine all concepts of this chapter is clear ... thankuhhh so much😊

[@Athravsagwal-rl6rc]

3:38 Sunai deta hai bhera nahi hu me😂

[@Mehlak2]

Good one

[@gamingthunderpro-fg2uv]

No words 😅❤ just a awesome lecture understand what you teach

[@uttkarshsingh359]

mai aaya, 13:14 tak dekha, gaya, mutthi Mara, wapas agya 17:32

[@vardhmantradingco]

Thank you sir you r kinda popular in my school everyone studies from u r lectures thank uhh sir please keep supporting us❤️‍🔥

[@swaritanand6]

Vote for Class 10 lectures please make lectures for class 10❤❤

[@Tanutiwari.com68]

Ache se samaj aa gaya

[@Tanutiwari.com68]

Mane exam ke ek din phele dekha tha or me 9th class me. Pass ho gaya 🎉❤❤❤

[@kritarthxshinchan2046]

Pranay bhaiya i was scared by listening these complex words in my school but after watching the lecture these terms are so fuddu to me 🤩 Thanks bhaiya! 😇

[@alien.badluck.735]

Intro was OP😅👽

[@ShortsShtick]

53:42 ❤best

[@JigyashaSingh-p8w]

The intro is always thrilling 🔥💯

[@fashiongirl9964]

Jab awaz mere dost tak jari hai to Hume Janna kyu hai ki wo kese jari hai 😢😢

[@fashiongirl9964]

Mtlb har chiz ke andr ghusna jruri hai kyaaaa 😂😂

[@amarbati9454]

Ye to chapter hai lodu

[@amarbati9454]

To video main kyun aaya hai tu

[@Erenyeager-hp9vl.]

​@@fashiongirl9964 Wah bhai 😂😂😂

[@Riya___kumar___124]

This man always teach us like our bsf💗 thank u bhaiya💖💖

[@kamranahmad2820]

14:40 to 14:50 feels like kirtan 💀😂😂 16:03😂

[@parwezkhan9566]

41:39 ambulance sound

[@deshrajkuntal6245]

All thanks to pranay bhaiya without ur support it is very difficult to give our best in exam thank you so much bro 🥰🥰

[@shalinirajawat1292]

I can't found anyone like you sir ❤😊

[@kr_gamer_yt6183]

Like this comment if you are seeing it before exam like me.😅😅😅

[@brijendramishra2377]

Bhaiya... See below 👇 ✨wave length is distance between two consecutive rarefaction or two consecutive compression ✨Time period number of oscillation per unit sec ✨ Frequency number of vibration per unit sec.... Plzz bhaiya like my comment ...😅 😈💜☔🦑 💓🌸🐽🦄 🍂🪵🌕🤎

[@SrishtiNagar-cj2xc]

40:35 ambulance sound from back 🙇👂

[@hoolymammoth]

59:23 sir sound kisi bhi object se agar takrayega to wo penetrate kyu nahi karega agar wo takrata he to phir sound ki speed solid me bhi kyu calculate hoti he

[@challengeclub8778]

0:19 hidden talent ✌️😏