Refraction of Light

[@ManochaAcademy]

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[@DreamFunHAS_]

*NO*

[@HithikshaS-j5r]

1.it bends towards the normal 2., a ray of refracts when it travel from 1 medium to another medium 3.yes

[@safeerkhan8098]

​@@HithikshaS-j5rAway from the normal Hm

[@waitaminute7554]

1. It will bend away from the normal; most probably towards the right and the angle of refraction would be larger than the angle of incidence. Also, the speed increases as the density of the material decreases. 2. Refraction takes place because of the change in the speed of light. This happens if a medium is either denser or less dense than the other. 3. Yes. The pool appears shallower because of the bending of light or the refraction of light.

[@abeljoseph5463]

Answers for the questions asked in the video, A.1) When light travels from water (optically denser medium) to air (optically rarer medium), it's speed increases which is why it tends to move away from the normal. Here, Angle of incidence < Angle of Refraction A.2) Refraction of light occurs when the light ray travels from one medium to another medium. The reason behind this is because the speed of the light changes while doing so. For eg, when light travels from air to glass, it's speed decreases which is why it refracts from it's original path. Whereas when light travels from glass to air, it's speed increases which is why it bends away. A.3) Yes, a pool appears to be shallow when viewed normally as the refraction of light comes into play. First time seeing your video and I absolutely liked it 📝👍🏻

[@mrdampss]

Thanks for ur answer bro

[@nagakumarikommana1443]

Thanks for your answers

[@i_am_esea_dedej9633]

This video was more helpful than my physics teacher

[@AliHussain-pu1mt]

Same

[@sanjaythakare5787]

Yes same with me.

[@Vlogs.936]

Same

[@adilkamar8935]

Correct

[@mycreativelearning3418]

SS same maa siru chaptadu chuudu niddara vastadi raa sami ranga.. Asulu vakka mukka kuuda artham kaadu... Ee sir chaptante 👌👌👌ga artham avutundi...

[@smritimondal1057]

1) When light travels from water to air, it bends away form the normal 2)The cause of refraction is the change in velocity of light when traveling from one media to another as the optical density differs. 3) The pool appears to be shallow as light is traveling from air(an optically rarer medium) to water (an optically denser medium)

[@darshanlal2394]

F

[@agastya_10a57]

Q1. Ans.When the light travels from the denser medium to the rarer medium,the light rays travel away from the medium.Thus,the angle of incidence < angle of refraction. Q2. Ans.The cause of refraction of light is; Change in medium. And change in speed of light. Q3. Ans.Yes,the pool appears to be shallow when viewed normally because of refraction. Hello Sir, it was very useful for me. As I am a physics lover,I enjoyed the class.

[@ydettearano6187]

Its a great help for those teachers who struggled in teaching physics, its very informative and your explanation is very helpful. Thank you so much

[@ManochaAcademy]

It's my pleasure

[@tejaskumarshahi3828]

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[@AquilaPlaysYt]

@@tejaskumarshahi3828 Yes

[@engGirlengine]

Who are watching this in 2025🎉🎉❤😊

[@jayaprabhu2732]

I watched

[@Elite_Elite128]

me

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[@SushilaSamad-u9r]

Me

[@YoBoiAnkit]

Yo mama

[@Rashidkhan-tp2op]

1st answer Light bends away from the normal when it travels from water to air. 2nd answer When the waves encounter a surface or other boundary that does not absorb the energy of the radiation and bounces the waves away from the surface. 3rd answer Refraction of light as the surface of water makes swimming pool appear shallower then its actual depth when viewed from directly above. ❤❤❤❤❤❤❤❤❤ That is my answers GOD BLESS YOU TEACHER

[@AnushkaPashankar18]

Such A beautiful way of teaching, as due to online school many concepts doesn't get clear but manocha academy clears it all ☺thank you much

[@irshadpasha3697]

Wow it's true

[@vinitasharma4504]

Yes

[@sandipanganguly2219]

ANSWERS 1. AWAY FROM NORMAL i < r 2. BECAUSE OF THE CHANGE IN SPEED OF LIGHT 3. YES

[@hemendeka6531]

1) When light travels from water to air it bends away from the normal as water is optically more denser then air. So the speed of light increases from water to air. 2) Refraction of light takes place due to the change in the speed of light as it passes from one transparent medium to another obliquely. 3) No, a pool does not appear to be shallow when viewed normally. This is because : # no refraction takes place when light is incident normally.

[@Dev_bhog]

1. The light bends away from normal. 2. The cause of refraction of light is change in the speed. If the speed is lesser then the ray of light comes near to the normal else it gets far away. 3. Yea

[@MayowaOluwatoyin]

1.) The light bends away from the normal. 2.) Refraction occurs due to the change in the speed of light 3.) Yes because of the refraction of light

[@sangeeta789]

Can you explain your first answer

[@raneenaleen2301]

@@sangeeta789so it travel from water to air and air is less denser than water so it will move away from the normal

[@sangeeta789]

@raneenaleen2301 thanks 👍🙏

[@baileygilbert5763]

1. Away from the normal 2. When a light ray goes from a medium to a denser or rarer medium. 3. No, This is becuase there is no rarefection of the light so you are seeing with no bent light. Only the speed of light changes.

[@s3kshii]

Manocha Academy is better then any other study aap...

[@blueyuki1]

even tho this video is 5 years ago and today is 2024, this is honestly still one of the best education video ever, it gives me terms, its so easy to understand!, even a fifth graders understand this!, thanks for producing one of the best education video ever, this is so easy to understand! Q1 It goes to the incidence ray (which means go down) if theres a situation that the ray is reflecting flat like absolutely then it wont change the direction it will be the same) Q2 Well, depends on the density, if the density or medium is strong then it can refracts Q3 Because our eyes are not that wonderful, we will see them as its not that far when touching the swimming pool but in reality its tall, the eye just got tricked by the refraction of the light to the pool.

[@ratansinghshekhawat4530]

Question 1: light will bend away from the normal. Question 2: The speed of light is different at different medium, less in denser and more in rarer, when light ray enters a denser medium it's speed decreases and bends towards the normal and in rarer medium it's speed increases and bend away from the normal Question 3: As the refraction of light is more so pool appears to be shallow when viewed normally

[@Idle_Jess28]

Q1) Away from the normal Q2) The slowing down or increasing of light as it enters a new medium. Q3) A pool might appear different depending on the path of light and its refraction.

[@Pagalworldieiron]

1) when light travels from water (that is relatively denser medium) to air (that is relatively rarer medium )it bends away from the normal.. 2) the main casue of the refraction of the light is the bending of light when its travels from a transparent medium to a another transparent medium with higher or greater optical density.... And when light travels from one medium to another its speed slows down and hence as a result the light ray bends . 3) yes and it is because of the refraction of the light 2)

[@padmakaryanamandra8436]

Sir, if i have any chance, I'll give you a best teacher award. We don't need to read books after listening to your classes.

[@noahsan5221]

In our exam they asked "Is angle of incidence=Angle of refraction?" I answered =No Just because of you and the question is for 2 marks I got 2 marks by you sir,THANK YOU!! no one wrote correct in my class except me 😂

[@mastifunn2012]

1 . the light ray travels away from normal 2.the refraction occurs due to change in medium ( could be denser or rare than the first medium causing light to bend away or towards normal ) 3. The pool looks more shallower as our eyes tends to look the pool with light ray straight but when the light enters from rarer to dense medium it bends towards normal causing to look more shallower

[@sidakmakker1846]

I honestly love this guy !!! I would prefer every kid to watch his videos !! Man he's perfect 😭😭❤️

[@vilasinisharma27]

My physics teacher don't know how to teach and I thought I was really gonna fail my boards but I am glad that this teacher is on KZbin the style of teaching is very good ......

[@harisankarlal6895]

Q1: When light travels from water to air, it bends away from the normal. Q2: The cause of refraction of light is the change in the speed of light when it enters the second medium. Q3: Yes. A swimming pool does appear to be shallow when viewed normally because refracted ray of light after reflecting from the bottom of the pool changes its direction on entering the first medium which is air.

[@adithyap8366]

Q.1 - It will bend farther away from the normal Q.2 - the cause is the change of speed of light when passing through materials Q.3 - Yes

[@Nishantkumar-bg1ro]

answers : 1. Away from the normal 2. change in speed of light 3. Yes

[@Alizain-l7h]

Ans1: When light travel from water to air means denser to rarer its bends away from the normal. Ans2: Refraction of light cause due to change of speed and cause by optically density of the medium. Ans2:Yes.Pool appear to be shallower than they actually is due to phenomena called refraction.Pool looks shallower due to light bends on water surface making object under water aapears higher.

[@sweetyroy231]

1.) Water is more denser than air, so when light travels from a denser medium to a rarer medium, it bends away from the normal. Hence, when light ray travels from water to air, it bends away from the normal. 2.) Change on speed causes change in the direction. This is refraction 3.) Yes the pool appears to be shallow when viewed normally. Sir here are my answers 👆🏻. Are they correct sir? Thank you sir for the awesome video..😊

[@moudgitsidali738]

They are correct son accept the question 3

[@annrose6765]

If it's npbiewed normally then it doesn't appear shallow no?

[@vyneel]

Wow... this is really helpful. You're better than my physics teacher! Ans: 1) away from the normal 2) the change in the speed of light 3) shallow (i think)

[@honeytwena1608]

1Q:- when light travel from water(denser) to air(rarer) it bends away from the normal. 2Q:-The main cause is when light travel from one medium to other medium, the speed(velocity)of light changes it leads to bending of light 3Q:Yes,pool appear shallow when viewed normally.

[@rithizx]

HW: 1) The light when it is travel from water to air ..it bends away from the Normal ,i

[@maccaesar2250]

1.it will bend away from the normal because the ray of light is from a denser medium to a less medium, making the angle of refraction larger than the angle of incident 2.The difference in the speed of light in different media of different densities. 3.yes it appears shallower because there is a change in the speed of light as it travels from air which is denser than water in the pool...

[@shahdkhaled8149]

You are waaaaaaaay better than my class physics teacher. Sending lots of respect from Egypt 🙏

[@ManochaAcademy]

Thanks for liking, Happy to help.

[@cathydepatoy6615]

I Love your videos 😊❤❤❤

[@craftyandstudy3123]

Q.1 answer- the light ray bends away from the normal Q.2 answer- the change in the speed of light ray when it passes through one transparent media to another is the cause of refraction Q.3- yes,as refraction is taking place

[@gauravmehrotra6315]

Answers of the top 3 questions!! 1. Since water is optically denser than air, light will move away from the normal. 2. The cause of Refraction of light is the change in speed and material. 3. Yes, it appears shallow due to the Refraction of light!! Thanks a lot for this video, sir 🙏🏻

[@zahidhameed2076]

ur right😊

[@GopinathPoonjali]

1.Away from Normal. 2.Change in speed . 3.Yes it appears be shallow because of refraction of light.

[@Arhamkothari753]

A:1-The light will bend away from the normal. A:2-Refraction is caused by the change in speed of the light when it travels from a denser to rarer or rarer to denser medium. A:3-Yes,it's because of the refraction of light.

[@ManochaAcademy]

Very good!! Answers of Q1 and Q2 are correct :) Q3 By normally it means along the normal. So light will not bend. That's why pool does not appear shallow. Also try the Quiz for this video: www.manochaacademy.com/physics/light/l/refraction-of-light

[@cathydepatoy6615]

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[@cathydepatoy6615]

And you are the best. ❤❤❤

[@diiya123]

Sir.. Truly u r amazing.. Excellent... Such a fantastic teacher u r... Ur videos are the best compared to any other online coaching classes.

[@ManochaAcademy]

Thanks a ton! 😊

[@chauhanrudrapeicaiss9748]

1)Away from the normal 2). The speed of light changes when it passes through different mediums . And according to the law of refraction light bends away from the normal when increased in speed and away from normal when slower 3) Yes as the water in the pool is optically denser and thus leading to a decrease in the speed of the light which then ultimately leads to the bending of light towards the normal . But light reflected to our eyes is not bent thus we see a shallower pool . Am I correct ? Question: is refraction used to in our daily lives ?

[@ekshithsaigunakarpasala4391]

1)away from the normal 2)the cause for the bending of light is the change in the speed of light 3)yes

[@beastwolf5636]

ANS:1= when the light travels fr denser to rarer the speed increases, and it would change its direction away from the normal ANS:2= the speed of the light changes in air=3 x 10 8 m/s and in water 2.8 x 10 8 m/s ANS:3 yes it appears to be shallow because of the refraction of light bends through towards normal Thx for you viedo 🤩

[@dineshsheela9]

This man is saving our tution fees..🥰

[@princearpiar6475]

lol XD

[@vanessadti]

1) away from normal 2) speed of light changes (slower = bend towards normal, faster = bend away from normal) 3) yes it appears shallow because of refraction

[@GoDxRaGe009]

Ans. 1- It bends away from normal Ans. 2- Cause of refraction of light is that the speed of light is different in different molecules. Ans. 3- Yes pool appear to be shallow because of refraction of light

[@rehanmanzoor4198]

SIR YOUR TEACHING SKILLS ARE MAZING

[@ManochaAcademy]

Thanks a ton

[@anushkabhowmik8201]

What's mazing?

[@pragnap5139]

@@anushkabhowmik8201 I guess amazing short form

[@anushkabhowmik8201]

@@pragnap5139 well..God knows...I'm literally unfamiliar with these short forms

[@SUDHEERKUMAR-xt1zo]

1A. it bends away from normal 2A. changes the speed of light 3A. yes, because of refraction

[@GuguGwebu]

It's so helpful even 2024😊

[@Bob_Goat]

Yeaaaaa

[@pinkirajput7237]

Ans 1 it moves away from the normal Ans 2 speed is changed Ans3 yes

[@karthikkadaru4606]

I might be wrong but I think the ans for the 2nd question is the change in the medium

[@manojjoshi4110]

When light travels from water to air the light will bend away from the normal as water is a denser medium than air so as soon as the the light it reaches in the rarer medium it bends away from the normal 2- the cause of refraction of light is speed of the light as we know speed of light is different in different different mediums during which the different speed of light in different mediums result in the refraction of light. 3- yes the pool appears Shallow as we look from the above this is because of the refraction off the light All three ans Let me know right or wrong???

[@agrimakrishna317]

Who all r watching this in 2023 🤝

[@TWCubed]

Me

[@jakelorcan]

me toooooo haha

[@abhishektheresa]

Me:/

[@brajgopiyan4793]

Me

[@meganrose7158]

Meeeee

[@keshabpradhan5964]

1- away from the normal 2- change in speed of light causes light to bend 3- Yes 👍

[@ManochaAcademy]

Click here to try the Quiz and Top 3 Questions for this video: www.manochaacademy.com/physics-cbse-class-10/refraction-of-light/l/what-is-refraction-of-light

[@devabushanrao2794]

Q1: the light travels away from the normal since it is traveling from an optically densar medium to optically rarer medium. Q2: The cause of refraction of is the change of the speed of the light when it enters into different medium( different optical density). Q3:No, the pool doesn't appear to be shallow as the refraction doesn't takes place in the case when it is viewed normally

[@ayrazee]

Actually 3) Refraction of light at the surface of the water makes swimming pools appear shallower than its actual depth when viewed from directly above

[@satyajeetdas1535]

1.bends away from normal 2.diffrence in the density of the medium through which light is traveling through 3.yes,due to refraction of light

[@slowpy_.]

Correct brother

[@FeridaMohammed-rf4xd]

1.)Away from the normal 2.)Change in speed of light 💡 3.)Yes it appears shallower when views from above

[@Ak.kingtiger]

Who all are watching this video in 2024?

[@Manya_Kavya]

Me

[@rekhasreelesh613]

Sir your way of teaching is very good now my daughter is able do learn everything Thanks a lot

[@ManochaAcademy]

It's my pleasure

[@meenukatial7455]

A1.) When light travels from water to air it bends away from the normal (angle i is less than angle r ) A2.) The cause of refraction of light is the change of speed of light in different mediums. A3.) Yes , the swimming pool appears to be shallower when viewed from the outside.

[@geofferyromany4634]

Thank you. Middle age male learning physics and chemistry at ordinary level at home with no teacher except youtube and no labs, thanks you very much. Headaches less.

[@Obsessedwithyou_123]

*Answers of the TOP 3 QUESTIONS:-* 1) When light travels from an Optically denser medium (water) to an Optically rarer medium (air), it bends away from the Normal. 2) Refraction happens due to change in speed of light as it passes through different mediums. 3) No. In this case, if the normal view is perpendicular to the pool, then the pool won't apper shallow. As the light will pass perpendicular to the pool, so it won't bend. I hope my answers are all correct!! ❤

[@yoganandar995]

sir your explantion is really outstanding 😎 I think U deserve oscar award👍👍

[@ManochaAcademy]

Wow, thanks

[@malaikarajput1744]

1) away from normal,2)the light bend when it travel from rate to denser or denser to rare3)no when light passes it will look shallow

[@malaikarajput1744]

@manochar academy reply plss

[@taniamk7]

Q1: When light travels from water to air, it bends away from the normal. This is because light speeds up when it enters a substance with a lower refractive index, such as water to air. This change in speed causes the light to change direction, resulting in the bending of the light rays. This phenomenon is known as refraction and is responsible for various optical effects, such as the apparent bending of a straw in a glass of water. Q2: Refraction of light is caused by a change in the speed of light as it passes from one material to another. This change in speed is due to the change in the optical density of the materials, which causes the light to bend as it enters the new medium. The amount of bending that occurs depends on the difference in the refractive indices of the two materials. This phenomenon is responsible for a variety of optical effects, such as the bending of light in lenses, the formation of rainbows, and the mirages seen in deserts. Understanding the principles of refraction is crucial in fields such as optics, astronomy, and meteorology. Q3: Yes, a pool appears shallower than it actually is when viewed from directly above. This is due to the refraction of light at the water's surface. When light passes from air into water, it slows down and changes direction, causing the pool to appear shallower than it really is when viewed from above. So, I get that you had some confusion regarding refraction, but I really hope that the information I gave was helpful enough to answer your queries. ☺

[@mikeyuchiha8797]

1) Light bends away from the normal. 2) Change in speed of light when light travels from one medium to another medium is the cause of refraction. 3)Yes. It appears to be shallow because of refraction of light.

[@amaianime1293]

1) away from the normal 2) the density of a medium 3) no the pool appears to be deep due to the refraction

[@kiraneducationalacademy9006]

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[@arctic215]

1. Away from normal. 2. Change in speed of light. 3. No because it's viewed normally. Sir; please reply if all are correct.

[@ManochaAcademy]

Super!! All are correct :)

[@KofoworolaAmoo]

1 from denser to rarer 2 bending of light which changes the speed Yes a pool appears shallow when viewed normally Thanks for your lectures sir, very understanding 🙏

[@anitasrivastava7468]

I couldn't understand the last answer?

[@lilsharx8560]

thanks sir you explained the best of all teachers i have ever met

[@ManochaAcademy]

Great to hear that you liked the video! Thanks :)

[@murker69420]

👍👍👍This Video Was One Of My Teacher's Reccomended Videos About Light. Thank You So Much, Sir. Nice Explanation!👍👍👍

[@ManochaAcademy]

Most welcome

[@technologytobeloved4003]

1) Away from normal 2) Change in the speed 3) Yes

[@rathnamahalakshmi570]

Sir, iam being a professor much impressed by your method of teaching... I wish your journey should pursue eternally And benefit infinite number of students

[@soulgaming9622]

Sir you should join byjus as a teacher. Your teachering skills are just amazing!!! 😃

[@ak_gaming_1m435]

Legends are watching this video now😜 due to tomorrow's physics exam.🤣

[@moorthythangavel6268]

Yes bro you are 💯 correct.😉

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🤣🤣 yes bro

[@TiTxNzz]

Tomorrow we have exam? What is the portions 😂

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Yeeeee true

[@TiTxNzz]

@@greyrhus8030 watching that now? After exam

[@pawnichopra846]

I understood everything......very nice teaching pattern

[@Fiery_karan]

Sir you are an legend my tution teacher explained me ut i dont understand but when i watch your videoi undeestand every single thing

[@richaarya9964]

1- Its away from the normal 2- Change in speed of light 3- No, Because it viewed normally😊

[@srinithigl3229]

Sir very much thanks to you I am preparing for my boards and I had a doubt on this topic but now i am very clear on this topic Thank you sir 🙇‍♀️🙇‍♀️🙇‍♀️

[@ManochaAcademy]

All the best

[@LivingstonKalule-je6no]

Watching on 6/10,2023 am really grateful to be taught by this Indian teacher may God fullfil all ur wishes my grade will highly improve from d to a thanks🙏🌺

[@LivingstonKalule-je6no]

Who liked my comment

[@i.-.-.-.-.-.-..-..--a-h1y]

Why are you so surprised someone liked ur comment

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@@i.-.-.-.-.-.-..-..--a-h1y hi

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Its 3am and I'm studying for a test in the next 5 hours and I haven't had any sleep

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Dude studying is good and everything but get some sleep..

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How marks you get at board bro

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U must study before exam so that when everyone is getting worried about exams u r sleeping at that time that's the spirit of board exams this year I am going to attempt board I wish I will get good grades 👍🙏🌼🌺🙏🙏

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@@muskan3487 me too 😳😇🤞👊

[@shivaparvathi.ssst1]

@@muskan3487 me too

[@NM-vihaan]

The light bends away from the normal in the eastern direction Refraction of light is caused due to change of speed of light from air to water Yes Still any viewers watching in 2024

[@KAMOTEISPOTATO]

yup and my exam is today so taking notes hahaha

[@p.akshitha588]

Top 3 questions answers 1.Away from the normal 2.Due to the change of speed of light refraction takes place 3. Yes As we look into a pool, our eyes now absorb light from a denser medium(water) in comparison to a rarer medium(air) . Hence, the light gets refracted and the pool appears shallow

[@muneebasiddique3557]

1). Light directs away from the normal 2). Light travelling in obliquely direction from one medium to another 3) no when we look normally, bending of light will not visible.... to observe it must look diagonally

[@krishu_fc7085]

1. Away form normal 2. Changing in the speed of the Ray from one medium to another 3. Yes

[@Anush_Sivakumar]

speed of ligh* not ray!

[@harigona3405]

Wonderful lecture sir!! I have now understood the concept superbly. . Keep continue this good work... And help ours now everything about education

[@ManochaAcademy]

Great to hear that you liked the video :) Thanks!!

[@elliemaynard6899]

You have single handedly saved my grade in my physics class this semester, thank you so so much

[@sreeharidhra9002]

1.light bend away from the normal because light enters from water(denser medium) to air(rarer medium) 2.change in direction of light and change in speed of light 3.yes, because of refraction of light

[@ahmadshaankamal8107]

Answer 1 - it will bend away from the normal. Answer 2 - the speed of light is different in different media, the change in direction changes the speed of light. Answer 3 - yes it appears shallow because of we see from a rarer medium and swimming pool i.e water is a denser medium

[@SUDHEERKUMAR-xt1zo]

sir your explanation is awesome 👍👍👌

[@ManochaAcademy]

Thanks and welcome

[@SUDHEERKUMAR-xt1zo]

@@ManochaAcademy sir please make video about curved surface formula

[@kwikirizasarah8186]

You are a blessing to this generation May you prosper in all your endeavors

[@lillyrozy1950]

Sir please take special class for 10 th class children in school after a long break iam not understanding anything in my school do special videos how to score good marks in physics take test and reveal ans in next video but plz take special care on us plz explain everything and every lesson in physics this is my humble request hope I will get a happy reply by u

[@aroxnav]

i agreee

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Even though he uploaded this video on 2018 its still highly active in 2022

[@deborupdas5326]

U r right

[@sabithach2337]

Sir..... Please upload a video on TOTAL INTERNAL REFLECTION....

[@Siya_Joshi12]

Q1) Away from the normal. Q2) Bending of light Q3) Yes …………………………………………… You teach wonderfully sir, Thank you for these wonderful, well explained videos.

[@pipemongullie7111]

Sir, following all your lessons and being profoundly helpful in getting to know the concepts. A request to you if you can make a lesson on magnetism as well.

[@ManochaAcademy]

Great to hear that you like the videos!! I'll try to make on magnetism as well. You can also try the Quiz and Top 3 Questions for the videos on my website: www.manochaacademy.com

[@Musiclover-sk6sz]

This is the best way of explaning the topic

[@Musiclover-sk6sz]

👌👌

[@sunnybunny7323]

1.Away form the normal line 2.When light enters form one medium to another medium it refracts 3.Yes,due to refraction .

[@aparnatalukdardas584]

1. Light travels away from the normal because it travels from a denser to rarer medium cauing the speed of light to increase. 2. Due to optical density, the speed of light changes from one medium to the other, causing bending of light, thereby resulting in refraction. 3. Due to refraction of light from rarer medium (air) to denser medium (water), the pool appears to be shallow.

[@rhythmmalik5866]

1. It bends away from the normal ( optically denser- optically rarer medium). 2. Change in the speed of light when it goes from one transparent medium to another. 3. No Reasons- 1. It falls normally on the surface. 2. Angle of incidence is equal to zero.

[@ManochaAcademy]

Super!! All your answers are correct :)

[@rhythmmalik5866]

@@ManochaAcademy all because of your videos... thank you sir 🌹🌹🌹🌹