Why is the sky blue and the sun yellow? (Hindi) | Human eye | Physics | Khan Academy
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- เผยแพร่เมื่อ 7 ก.พ. 2025
- Let's explore why the sky is blue, why the sunset/sunrise is red, why are clouds white. It's all due to scattering of light by the molecules of our atmosphere.
Missed the previous topic?
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Rip English
@@HARYANA78YT umm, just a few "autocorrect" transformations.. happens! Mention not:')
Ps:- correction done btw✅ xD
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As this video is not optimised for SEO, & Khan Academy works for students... Thet don't waste money on promotion like other companies
Wow !!! What an explanation!!! I know reason behind blue sky....but orange/red sun science was not known to me.... awesome practical .....i just love it
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Sir aap ko bas thanks
Aap itna acha samjhate ho mai nahi bata sakta
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Maja aa gya ..Is video ek sath kayi doubt clear kar diye.. Mujhe aaj tk samjh nhi aaya tha ki voilet ki wavelength sabse km h fir b hame sky blue kyo dikhta h..Thanku for clear by doubt.
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Excellent explanation in simplest possible way. Relationship between particle size and light wavelength was explained absolutely perfect. Even in standard textbooks such beautiful explanation is not provided. They are just confusing with technical terms and not clarifying the actual differences and concepts. Some book authors are not even able to explain the difference between Scattering and Dispersion.
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QUESTION:-Why then the air around us doesn't appear blue?
Bhaiya kyuki wo hmare bahot close hai
Probably, air is mixture of many gases and the molecules present in the air might be bigger and scatter the light equally.
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Sir one more question how the all colours lights are separated in a 🌈
Ok
Good question
Due to refraction of light
Due to dispersion of light and internal reflection by water droplets present in atmosphere
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Thanks
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That is not more and less colour but concept is that
Light having shorter wavelength are more effective in scattering of blue Light.
Kash aapke jaise teacher hamare school mai hote
7 : 06 can u explain it tht why the particles removed the blue ray plzzz reply
Due to Reyleigh effect, scattering is inversely proportional to wavelength of light. Violet has smallest wavelength.
Sir you are amazing it is better than byjus🤗👍👌
But sir then why do we find red algae in greater depths..... It has somewhat opposite explanation.......