LIGHT - REFLECTION AND REFRACTION in 1 Shot: FULL CHAPTER (Theory+PYQs) | Class 10

[@PW-Foundation]

Download FREE PYQs: physicswallah.onelink.me/ZAZB/uazukzn8 📝 Notes: t.me/foundationwallah

[@Precious_prajapati]

@PW-Foundation Sir ek lecture for fully numericals ❤❤please sir💞💞

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❤

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Sir concept learing byut mastvhuas❤

[@PhysicsWallah-class10]

Hi iam from navodaya

[@V2bright]

1:01:48 sir one mistake here in NATURE OF IMAGE --- between C and F❌❌ between F and C

[@riya_330]

I wish everyone will get 90+ in board exam ♥️

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Thanks for your wish ❤❤❤😊

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😂😂😂😂

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Yhh fr 🙂

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no hello

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Hlo

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Board ki kasam jisne comment like nahi kiya...wo exam me fail hoga 💀

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I hope all the students get good grade in boards 👍 Because we're udaanians❣️

[@swagatamukherjee1950]

Hi

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Bro maa kasam jitne jyada likes milenge tujhe utne hi kam tere percentage😂😂😂😂

[@narasinghabehera4852]

Hna sach hei bhai

[@radiyaanwer]

@MayukhRaiGupta or bro tumhe jitna likes milega utna tera percentage 😂👍

[@ShikhaYaduvanshi-z4t]

Vote here, who want an independent numerical lecture of light chapter.

[@Chadd2244]

Numerical portion is quite easy for me but I struggle in ray diagrams 💥

[@coderkr4050]

@@Chadd2244 Just draw the ray digrams continuosly in your notebook more than 10 times and follow this for 2-3 days do not dedicate too much of your time in that and in around 3-4 days all of it will be crammed in your mind. I also forgot it since I have not done light from months so I will also follow the same and it will again get stored in my mind

[@Chadd2244]

@coderkr4050 oh okhi thanks for ur suggestion, I'll follow these steps for 2 to 4 days 👍🏻🦷

[@huzaifaghalib7827]

@@Chadd2244 did it help?

[@Chadd2244]

@@huzaifaghalib7827yupp mai 4 din se bana ri daily and ab achhe se aa gyee and uske baad ncert ques or pyqs bhi kar lena 💤🗯

[@Satyam-h2o8j]

TimeStamps - 02:19 - Light 07:07 - Reflection of light 19:04 - Types of mirror and image 28:43 - Image formation by plane mirror 39:10 - Reflection through spherical mirrors 1:19:51 - Uses of convex mirror 1:22:50 - Numerical based on reflection 2:06:36 - Refraction of light 2:15:36 - Laws of refraction 2:21:32 - Refraction through glass slab 2:28:30 - Refractive index 3:14:00 - Spherical lenses

[@vineetarawat9144]

Yahi kar rhe the ke

[@akshatgupta5722]

Thanks 🙏🏻🙏🏻

[@sksarthakkr6444]

Tnx

[@SanjayPatel-nk6ti]

Keh kya rahe ho

[@GANPATI842]

Thanks​@akshatgupta5722

[@saurabhjoshi-s5s]

Jisne class puri dekhi uske boards m 95%

[@ManishJha-s1f]

Tq yrr

[@kingofgamers9676]

Thanks bhai

[@saurabhjoshi-s5s]

@kingofgamers9676 welcome❤

[@Cryptojnkkmu8h]

Yessssssss

[@Abhimanyu-3-kushwaha]

Toh fir 149k log Top marenge 👍🏼

[@Sparky.official]

3:28 Dual Nature of Light 6:04 Light 11:39 Reflection of light 15:52 Laws of reflection 20:30 How do we see things 26:03 Types of mirror 26:17 Concave and convex mirror 27:34 Types of image

[@Ritikakashyap_7]

✨ Topics covered ✨ 00:00 - Introduction 01:24 - Particle Nature Of Light 05:42 - The Wave Theory : EM Wave 07:45 - Ray Nature Of light 17:03 - Phenomenon Of Light : Reflection 19:19 - Laws Of Reflection 21:27 - Plan Mirror 21:39 - Image Formation By Plan Mirror 28:50 - Examples Of Lateral Inversion 40:25 - Important Terms : Spherical Mirrors 41:53 - Rules To Obtain Image 44:24 - Image Formation : Concave Mirror 54:52 - Image Formation : Convex Mirror 58:31 - Uses Of Mirrors 01:01:11 - Topic Sign Convention In Mirrors 01:05:33 - One Step Ahead : Formula 01:22:57 - Topic : Phenomenon Of Light : Refraction 01:26:09 - Laws Of Refraction 01:27:41 - Topic : Rules Of Refraction ( Transiting Media ) 01:31:11 - When Refraction Does Not Occur !! 01:33:24 - Topic Refraction Through Glass Slab 01:38:23 - Topic Refraction Through Spherical Lenses 01:42:21 - Topic : Rules To Obtain Image 01:43:49 - Image Formation : Convex Lens 01:49:41 - Topic : Image Formation : Concave Lens 01:52:21 - Uses Of lenses 01:53:16 - Topic : One Step Ahead : Sign Convention In Lenses 01:53:55 - Topic : One Step Ahead : Formula 02:21:59 - Thank You !

[@Anish_upadhayay]

Thanks ❤

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@Anish_upadhayay 💗

[@pioneerhavellsgamerz9162]

​@@Ritikakashyap_7thanks ❤

[@ayushbundlegaming6961]

00:00 - Introduction 01:24 - Particle Nature Of Light 05:42 - The Wave Theory : EM Wave 07:45 - Ray Nature Of light 17:03 - Phenomenon Of Light : Reflection 19:19 - Laws Of Reflection 21:27 - Plan Mirror 21:39 - Image Formation By Plan Mirror 28:50 - Examples Of Lateral Inversion 40:25 - Important Terms : Spherical Mirrors 41:53 - Rules To Obtain Image 44:24 - Image Formation : Concave Mirror 54:52 - Image Formation : Convex Mirror 58:31 - Uses Of Mirrors 01:01:11 - Topic Sign Convention In Mirrors 01:05:33 - One Step Ahead : Formula 01:22:57 - Topic : Phenomenon Of Light : Refraction 01:26:09 - Laws Of Refraction 01:27:41 - Topic : Rules Of Refraction ( Transiting Media ) 01:31:11 - When Refraction Does Not Occur !! 01:33:24 - Topic Refraction Through Glass Slab 01:38:23 - Topic Refraction Through Spherical Lenses 01:42:21 - Topic : Rules To Obtain Image 01:43:49 - Image Formation : Convex Lens 01:49:41 - Topic : Image Formation : Concave Lens 01:52:21 - Uses Of lenses 01:53:16 - Topic : One Step Ahead : Sign Convention In Lenses 01:53:55 - Topic : One Step Ahead : Formula 02:21:59 - Thank You !

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[@Bhavesh0411]

Pura lecture dhekhne ka ghamand hai😎💀☠️🦾💪 0:37

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tera ghamand nikal jayega aata naa jaata chunav chinh chataa

[@cristiano_o567]

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kushi ne bola reb bull gives you wings kushi nee bolaaa red bull gives you wings worriors bolte h rakshak sir h physics ke king 😅 [ i knowits not good atall sry bhailog 😭]

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Chomu

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Already done by liking the vedio

[@Necro-s2d]

The Best Teacher: Rakshak Sir A teacher is a guide, a mentor, and a source of inspiration. Among all the teachers I have encountered, Rakshak Sir stands out as the best. He is not only a teacher but also a friend who supports, motivates, and nurtures his students in every possible way. His teaching methods are effective, and his approach to education is both unique and impactful. Rakshak Sir has a deep passion for teaching. This passion is evident in the way he prepares for every class. He does not just follow the textbook, but he brings the subject to life with real-world examples, stories, and interactive discussions. Whether the lesson is complex or simple, he makes sure that each student understands the topic thoroughly before moving forward. His ability to explain difficult concepts in an easy and relatable way has made him popular among students. He always ensures that no one feels left behind, regardless of their academic level. One of Rakshak Sir's most remarkable qualities is his patience. He understands that every student learns at their own pace, and he takes the time to explain things multiple times if necessary. If a student has a question, he listens attentively and provides thoughtful and clear answers. His patience is not just limited to the classroom, but he also offers extra time after school hours for students who need help. This level of commitment shows his dedication to the success of his students. Another admirable quality of Rakshak Sir is his ability to inspire and motivate. He encourages students to believe in their abilities and pushes them to achieve their full potential. Whether it is through positive reinforcement or constructive criticism, Rakshak Sir knows how to build a student's confidence. He often shares his own experiences, helping students understand that success comes with hard work, determination, and perseverance. He teaches us that failure is not the end, but a learning experience that brings us closer to our goals. Rakshak Sir also fosters a positive and respectful classroom environment. He treats all his students with kindness and respect, creating a space where everyone feels comfortable and valued. He believes that every student has the potential to succeed, and he works tirelessly to bring out the best in them. His encouragement helps students overcome their fears and challenges, leading them to become more self-

[@Necro-s2d]

Best teacher ever

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Bas kar bhai rula hi Diya 😢😅

[@asharamyadav5089]

Itna acche answers English me likh dega toh toh English me 100 /100aaenge

[@gpknowledge9512]

Just asking... Is this copy/ paste from GPT?😂

[@hmm_sandeep_thakur.001]

Bhai ap likhva dena​@@asharamyadav5089

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Best Teacher 😊 Thank you sir for making this chapter easy 🙏

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[@Sharpstudent8354]

Mai toh skip karke dekh raha hoon. Already yeh chapter pada huu sir seh kai baar.

[@reenamishra6928]

🛑 10 important previous year questions of light chapter:- Q.1:- State the two laws of reflection of light. (Delhi 2011) Q.2:- List four characteristics of the images formed by plane mirrors. (Delhi 2015, Al2011) Q.3:- What is the magnification of the images formed by plane mirrors and why? (Delhi 2015) Q.4:- Draw a labelled ray diagram to show the path of the reflected ray corresponding to an incident ray of light parallel to the principal axis of a convex mirror. Mark the angle of incidence and angle of reflection on it. (Al 2019) Q.5:- An object is placed at a distance of 30 cm in front of a convex mirror of focal length 15 cm. Write four characteristics of the image formed by the mirror. (Delhi 2017) Q.6:- An object is placed at a distance of 12 cm in front of a concave mirror of radius of curvature 30 cm. List four characteristics of the image formed by the mirror. (Delhi 2017) Q.7:- An object is placed at a distance of 12 cm in front of a concave mirror of radius of curvature 30 cm. List four characteristics of the image formed by the mirror. (Delhi 2017) Q.8:- "The magnification produced by a spherical mirror is -3". List four informations you obtain from this statement about the mirror/ image. (AI 2016) Q.9:- Name the type of mirrors used in the design of solar furnaces. Explain how high temperature is achieved by this device. (AI 2016) Q.10:- AB and CD, two spherical mirrors, from parts of a hollow spherical ball with its centre at O as shown in the diagram. If arc AB = arc CD, what is the ratio of their focal lengths? State which of the two mirrors will always form virtual image of an object placed in front of it and why? (Foreign 2016) Hope you liked it, do like ❤❤

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[@HamzaMeerhaddi]

It's the work not luck

[@yashlulla6105]

2:48:42 to 2:58:00 snell's law (very important topic)

[@siddhimishra9705]

Sir , at 2:45:10 Is question ko hum directly bhi divide Karke kar sakte hai Kya , when both the refractive index are given ?? Anyone please help me by resolving this .....

[@siddhimishra9705]

Please reply

[@AmarjitSingh-zz5ih]

Same doubt bro

[@HamzaMeerhaddi]

Yeah 😊

[@Kittu-h3j]

All concept cover in one short. A Lots of thanks sir.😊😊😊😊

[@pw_Udaanian2025]

pehla lec., jo starting se last Tak dekhe 👍🥰 and you 🤔

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Mee

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आज मेरा जन्मदिन है पर मुझे कोई सपोर्ट नहीं करता। 🙏🙏😭

[@ayushbundlegaming6961]

02:19 - Light 07:07 - Reflection of light 19:04 - Types of mirror and image 28:43 - Image formation by plane mirror 39:10 - Reflection through spherical mirrors 1:19:51 - Uses of convex mirror 1:22:50 - Numerical based on reflection 2:06:36 - Refraction of light 2:15:36 - Laws of refraction 2:21:32 - Refraction through glass slab 2:28:30 - Refractive index 3:14:00 - Spherical lenses

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[@V2bright]

1:01:48 sir one mistake here in NATURE OF IMAGE --- between C and F❌❌ between F and C

[@notanshgaming4089]

Yes Ray pass from centre

[@V2bright]

Kaha se ho aap bhai

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[@Arhamdgaf]

Rakshak sir ne raksha kri hai physics se💥💗

[@HamzaMeerhaddi]

No no no Class 11 physics is waiting

[@Arhamdgaf]

@HamzaMeerhaddi I know yrr unfortunately 11th bohot hard hai😓

[@narsingh4450]

Sir ek doubt hai. When we put object b/w p and f in a concave mirror, rays aapne parallel dali aur focus se pass hui. Jab aage object hi aa gayaa to ray iske aar paar kaise gai??

[@vinodmishra2346]

Bhai confusion hai to ray c (centre) , pole pe leja ur fir mirror ke piche image banegi🎉

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Jo bhi likhe ga ki " like kro nhi to fail". Wo hi fail hoga

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He is a human

[@ZeroXmart]

3:31 dual nauture of light

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Concept clear ❤❤❤ 🔥 🔥🔥🔥🔥

[@veerrajputrajput801]

I hope we all get more than 95 marks in science

[@HamzaMeerhaddi]

Why not 100

[@whitemoonlight305]

sir hamesha ek baat sochta hu, ki kaas aap jaise teachers pahle mile hote, to abhi mai aur bhi jyada knowledgable hota 😐😐😐

[@precious_moment_]

3:21:06 (In 2nd diagram) If 'Ray2' not passes from optical centre (O) whereas it passes from 'F1' then lens's other sides the 'Ray2' become parallel then where image formed? This is my one of the big doubt of this chapter! Can some help me😊

[@ffshorts_28x]

Most popular Teacher.❤❤

[@AvishVerma-m1u]

Done sir🔥🔥 3:20:51

[@NarayanaSarangi]

Thank you pw for your such efforts...

[@FF_BGMIPLAYER]

4. The image of an object placed in front of a concave mirror of focal length 15 cm is of the same size as the object. The distance between the object and its image is:

[@SatyanshuKumar-f7y]

Finally complete ho gya😊

[@SANATANI-SH4N]

45:15 Headphones users💀🤣

[@_Abhi_.98]

Aaiyen baigan baigini 😂😂 25:01

[@HamzaMeerhaddi]

True

[@AdityaKhasdeo-pf4dm]

11:39 Reflection of light

[@Pratikshortsofficial603]

2:37:53 absolute

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[@AMEIN_0.0]

1:24:29 ~ right kuch jyada hoya 🤣🤣

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[@shaikalihafhussain7570]

😂😂👏

[@AG_All_Gamer]

Light 💡 Revision Completed ❤

[@Icuzpov]

Sir real inverted and enlarged ke liye hum image formation by concave mirror ka 5th case kyu nhi lete aur plane mirror ka lete hai jb ki woh b Real inverted aur enlarged image bnata hai

[@Dhruv_20]

Because the both the rays are parallel. If we extend the lines it will never meet If understand pls like 😂

[@Icuzpov]

@@Dhruv_20 but the image formed is real inverted and enlarged image

[@Shakeitoff1561]

1:23:51 Very Important

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[@HamzaMeerhaddi]

Whole ch

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Telegram

[@Shivani-d7c4g]

Thank you sir clearing every doubts 🔥

[@chinmeswaarunm.s3130]

list of important formulas and concepts from the Class 10 chapter Light 1. Mirror Formula: 1/f = 1/v + 1/u 2. Magnification (Mirror): m = h₂/h₁ = -v/u Where: h₂ = Height of image h₁ = Height of object v = Image distance u = Object distance 3. Lens Formula: 1/f = 1/v - 1/u 4. Magnification (Lens): m = h₂/h₁ = v/u 5. Power of Lens: P = 100 / f (in cm) = 1 / f (in meters) Where: P = Power in diopters (D) f = Focal length in meters 6. Refraction Formula (Snell's Law): n₁sin(i) = n₂sin(r) Where: n₁ = Refractive index of medium 1 n₂ = Refractive index of medium 2 i = Angle of incidence r = Angle of refraction 7. Refractive Index: n = c/v Where: c = Speed of light in vacuum v = Speed of light in the medium 8. Lens Maker's Formula: 1/f = (n - 1) [(1/R₁) - (1/R₂)] 9. Critical Angle and Total Internal Reflection: sin(C) = 1/n Where: C = Critical angle n = Refractive index of the medium 10. Relation Between f and R (Spherical Mirrors): f = R/2 I HOPE THIS WOULD HELP

[@HamzaMeerhaddi]

It's already in notes

[@VI_AN143]

2:38:48 my ans is 214*10^5 . Is it correct ?

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Bhai mei tha

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Me also❤❤

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Hi

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Aapka preboard hogya

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[@SapnaSrivastva-oc3zx]

List four characteristics of the images formed by plane mirrors. (Delhi 2015, Al2011) Q.3:- What is the magnification of the images formed by plane mirrors and why? (Delhi 2015) Q.4:- Draw a labelled ray diagram to show the path of the reflected ray corresponding to an incident ray of light parallel to the principal axis of a convex mirror. Mark the angle of incidence and angle of reflection on it. (Al 2019) Q.5:- An object is placed at a distance of 30 cm in front of a convex mirror of focal length 15 cm. Write four characteristics of the image formed by the mirror. (Delhi 2017) Q.6:- An object is placed at a distance of 12 cm in front of a concave mirror of radius of curvature 30 cm. List four characteristics of the image formed by the mirror. (Delhi 2017) Q.7:- An object is placed at a distance of 12 cm in front of a concave mirror of radius of curvature 30 cm. List four characteristics of the image formed by the mirror. (Delhi 2017) Q.8:- "The magnification produced by a spherical mirror is -3". List four informations you obtain from this statement about the mirror/ image. (AI 2016) Q.9:- Name the type of mirrors used in the design of solar furnaces. Explain how high temperature is achieved by this device. (AI 2016) Q.10:- AB and CD, two spherical mirrors, from parts of a hollow spherical ball with its centre at O as shown in the diagram. If arc AB = arc CD, what is the ratio of their focal lengths? State which of the two mirrors will always form virtual image of an object placed in front of it and why? (Foreign 2016)

[@GeetaTerasu]

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Best teacher ❤️ ❤❤

[@krishnatripathi17]

Sir plz sample paper series start kariye

[@arebahassan7513]

Completed......🎉🎉🎉 FINALLY

[@KhadijaRahmat-n1f]

You are the BEST sir ❤

[@ankitapal4128]

1:15:30 😂😂😂 rakshak sir badmoshi

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Like karo sir ke meant ke liye🎉🎉

[@HamzaMeerhaddi]

Done by liking the vedio

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🔥🔥 3:43:22

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Vote for Rakshak sir❤❤❤❤

[@riya_330]

2024-2025 attendence here 😎

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Rakshak sir is our 'raksha' in physics

[@HamzaMeerhaddi]

It's on you

[@AteekaSehra-o9d]

Sir apne kaha k light reflection show krti hh tbhi hamen objects dikhtay hain laiken lens to refraction show krtay hain mtlb unse light pass hojti hh to lens kese dikhtay hain fr?

[@shreyasingh-jw4uq]

Mere school me ye chapter 1month chala tha phir bhi kuch samajh nahi aaya but ye 4hr me mera pura concept clear ho gya hai ❤❤❤ thank you so much sir

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Sir you are best teacher

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Kon kon starting se last tak raha?❤

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40:39 Mercedes Benz ambulance😮😮

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Kon kon kast tak jinda rha 😅😅

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Sir aap bahut accha padate ho😊😊

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Anyone watch in last December😂

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Not last December seedha january mai😅😅😅😅

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December month is always the last

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Sir ur art of teaching is really heart touching 😻😻😻

[@Itz_sinu996]

AAP. RAKSHAK KAHU KO DAARNA ❤⚔️🏹🏹♥️♥️♥️

[@AvishVerma-m1u]

Concave mirror🔥🔥 51:01

[@OpGamer-s3q]

Wish karta hoa ki sab ka acha exam jaye 2025 mai 😊❤

[@HamzaMeerhaddi]

It's gonna be bit**

[@25_anonymous]

Menu Result down hone mm pura k pura hath physics ka hone jana hh .. 🥲🤌🏻 numerical broo !!!

[@tanishayadav7869]

🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥🔥

[@JardaniJonovichOfficial]

start at 3:26

[@VANSH-ir5vo]

WHO WANT TO MAKE 95% IN BOARDS LIKE KARO BRO 🤭😁

[@HamzaMeerhaddi]

Why not 100 bit*"

[@ankitapal6509]

Udaanians ..❤attendance..

[@HamzaMeerhaddi]

Attending class is enough

[@MR______GAMER-r6d]

LIKE FOR SIR!❤

[@MR______GAMER-r6d]

IS 1K LIKE COMPLETE IN A DAY???

[@Rishavstudy-ri97]

3:21:11 done sir

[@AnuradhaVermaYT]

Kon kon starting se last Tak raha hai

[@NishaPandey-z7c]

Yes sir confirm❤

[@Pallavi-n4u]

Sir numerical bahut sare kare so sweet

[@satyamkesarwani4915]

Hi pallavi

[@satyamkesarwani4915]

Aapka preboard hogya

[@satyamkesarwani4915]

@@Pallavi-n4u hogya aapka paper

[@satyamkesarwani4915]

Aap kaha se ho

[@Aditya_Yadav562]

Well explanation ✌️💯

[@jtechnicalgaming7831]

Maza aa gaya sir

[@royalchallenger18-k3j]

99.9999999999 percent smjh aagya or baki ka 0.0000000000001 mere practice se smjh ayega thnx sir💓

[@HERØツ]

Diamond ❌ Mehngi item✅ 😂😂

[@HamzaMeerhaddi]

I think you are gonna say it for your whole life