Huygen's principle of secondary waves | Wave optics | Physics | Khan Academy
Huygen's principle states every point on the current wavefront acts as a source of secondary spherical waves. These secondary waves propagate outwards, in the forward direction, and a common tangent (an envelope) to all these waves constitute the new wavefront.
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Created by Mahesh Shenoy
Пікірлер: 110
sometimes i wonder how the ancient people understood the theories and principles without animations...we're so blessed. thank u!!
@shivanisoni3339
3 жыл бұрын
They had an amazing power called imagination and their hypothesis too are so correct, which are based on these imagination only.
@879-0
3 жыл бұрын
Imagination is everything
@zakirshah5060
3 жыл бұрын
Imagination is important than knowledge in physics Einstein
@duggchi5277
3 жыл бұрын
Yes we are
@khalidgustavo5903
3 жыл бұрын
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Huygens principle couldnt possibly be explained better than this, you did a terrific job!
Still his videos are underratted, hope everyone utilizes it
I just want to say "Thank u sir "
the most underrated channel on youtube. i mean c'mon he explains so gooood
You just come up with really amazing questions which arise in curious minds and u explain to a naive really well
I DONT KNOW HOW MUCH TO THANK YOU. BOTH MY SCHOOL AND TUITION TEACHERS ARE VERY BAD AT TEACHING PHYSICS AND I JUST GET VERY CONFUSED WHEN THEY TEACH. I STRUGGLED SO MUCH WITH THIS CHAPTER AND FINALLY DECIDED TO START AFRESH. YOU EXPLANATION IS AMAZING SIR. THANK YOUU SOO SOO MUCH. I CAN FINALLY UNDERSTAND THIS TOPIC. 💙
Wow so beautifully explained ! No fears like in those coaching-led videos to get it until exams are finished huff🙃
'' imagining lights as waves and not bullets '' wise words!!
FInally understood the undeerlying concept behind Huygen's principle. Thanks for all the videos
The teaching is just perfect.❤️
I always had problem in answering questions on this principle but no more Thank you You're one of the best ❤❤
Wow 3 videos back to back .... Awesome thank you 👍
This is what I was finding. Thanks
Excellent video and teacher altogether. Commendable job 🎉
Beautifully explained 🤞
you are the most amazing physics teacher for me.
Thank you so much for the explanation🙏🏻 It really helped me
I have been struggling with understanding this and this video gave me so many ah ha moments. Thank you so much. Best explanation I have some across. 🙏
One of the best teacher ever.. Thank you so much
Yessss, mahesh sir on the channel
06:08 Actually here , the wave contribution is proportional to ½[cos(¤)+1] and for the backwards direction cos¤ would be 180 i.e -1 , ½[-1 + 1] = 0
Thanks for the amazing explanation.
Thanks for the lesson! :) What program did you use to draw the illustrations? It really made them look good.
What a good explanation. Thank you.
Thank you sir what a good explanation
This was so damn good! I don't have words to describe it!
Thank you very much sir Great explanation sir I understood every point sir Thanks 🙏🙏🙏
Thank you sir..ur way of teaching is really amazing..
Much better than PW nautankis... !!!
thank you very much for your effort.
This is underrated fr
Thanks
Thanks a lot ,sir.
you're so skilfull. amazing explanation
Fantastic explanation
Explanation in english is what i need 👌
U r awesome man
Thank you, sir.
I am thankfull
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Some people are unlucky for having not watched these useful videos.
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100k congratulations
Well Explained
God level explanation 💯💯
Thanks a lot sir...😊
Best explanation ever in summary
Please explain the fresnels diffraction briefly
Super explaination bro.
7:30 why would the ripples suddenly begin at the slit? Shouldn't they have been rippling from the source?
Thanks for explaining this but what app are you using for drawing those?
4:55 secondary wavelet 9:29
wow wow wow sir. thank u very much
Nice
Well ..I wanted to try this but was too lazy to gather all the stuff .. .so I one day just partially closed my eyes, uk with my eyelashes right above my pupil and looked at a distant street light ( kind of replicating the small hole in the cardboard) ...I did actually see how the light rays kind of scatter ...if i look at that street light (which is actually a small bulb) with my eyes open its a different picture while its different with eyes almost closed
What happens in the case of a laser light Or a laser beam ? Why doesn't it spread?
Thank you !!!
Tysm
OMG WAVEFRONTS ASTOUND ME!!!!! 5:30 IS IMPECCABLE
Thank you sir
so what happens if it enter again a finite hole .it's gona be again curved or straight or mix...................
amazingggg
👍👍👍 thanks
amazing....❤❤❤❤
3:10 If the light is moving at light speed, how can the secondary waves move faster? Shouldn't any secondary waves be behind a primary wave?!
@Shrreyy
9 ай бұрын
I have the same doubt!!
@Shrreyy
9 ай бұрын
I think that a secondary wave is just an interpretation of the primary wave after a given time, I mean it tells how the primary wave would look like in the other second or how it will travel.
At 0:51, why is light shown as longitudinal waves, while it’s a transverse wave?
Sir I did a project on FRACTALS........and THE CONCEPT OF SECONDARY WAVELETS FOLLOW that !! INFINITE AREA OF WAVEFRONTS!!!!!
@Sara_sami_0
3 жыл бұрын
Wwoow i want to see that!
Yes.
Sir u have shown a 2d wavefronts But I am unable to imagine 3d wavefronts.please can u create 3d wavefronts
Sir, what software u use to create such an amazing animation?
I dont get one thing, so when the plane wave came in from a source the edges didnt bend. But after going through slit, you included the round edge. But shouldnt that also apply to the wavefront before the slit since its also a finite wavefront?
@mumthas8870
7 ай бұрын
It doesn’t bent cuz it not a finite plane ,
@charleszr853
7 ай бұрын
@@mumthas8870 but how is the wavefront that pass through the slit not a infinite wavefront? Its the exact same as the plane wave coming in but just shorter?
Very nice. This guy is a gem , literally a fucking gem. Brilliant work my man.
Can it's drawback is related to Q.M Coz his and youngs slit experiment are starting points of Q.M
Can a common tangent be a curve?
Wow.......😍😍🥰🥰🤩🤩
Tnakzxx
🙏🙏🙏🙏🙏
❤❤❤
crazy
Watching before 5hrs before exam
@user-ts8rc7cn1r
Ай бұрын
How was exam?😅
@stripisantisocial.
Ай бұрын
@@user-ts8rc7cn1r passed
Wait huygens principle only applies to light right?
Like❤❤❤
El huygens ese tiene un morro que se lo pisa y no tiene ni idea
Brain
But ether does not exist???
The like dislike ratio says it all
Regretting why I have hated this chapter. 😖
trying to change accent.
Thanks