Why sky appears blue
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- Опубліковано 6 лют 2025
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this type of teaching make us scientists 😍😍
THANK U DELTA STEP
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Please adjust the volume
It is low
It is good and very imformative
The explanation is beautiful but towards end of the video, as you have discussed that why during sunrise and sunset the sky appers reddish, I think it is not sufficient.You must say that both scattering and phenomena of refraction plays an important role in colouring the sky in to red. During sunrise and sunset the Sun is at farthest position from earth. First of all when the sun light reaches the atmosphere they undergoes refraction as they passes through the layers of atmosphere, for which blue light bent the most and red light the least.Along with bending blue light and other short wavelength light components get scattered much. So refraction and scattering of sun light consequence in blue light escaping out of sight of observer on Earth & red light undergoing a perfect bending to reach up to the sight of observer on Earth.
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Excellent teaching 👏
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Hey , i am a physics honours student and after so many pages of derivations i derived this relation . I was scrolling and saw your video i clicked and believe me this is the best explanation i found .
Really excellent work .
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Great video and explanation
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I treat u like my teacher.....cuz...i write notes while ur explaning...it makes me easy ...thx u soo much👍👍👍👍👍👍👍👍
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Violet & indigo lights wavelength are less than blue then according to your explanation our sky should look like violet & indigo also
Plz explain this
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That's a good point...And the reason why the sky doesn't appear violet or indigo is because of the fact that the retina in our eyes are designed to perceive red,green and blue colours (primary colours) more effectively than other colours...say orange, yellow, violet, indigo, etc...So, among these 3 least wavelength radiations that are perfectly scattered, blue is more effectively perceived by the human eye...so, sky appears blue....hope this clear ur doubt 😃👍
Your way of explanation is awesome.. Keep it up
u are explaining very clearly from basics, we difficult to find like u. Thanks a lot
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Good 👏👏👏👏
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Deltastep is the best online material and help available..... and this boy who takes the sessions is outstanding.....
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Thank u sooooo much sir....you r the only one who explain scattering of light in the best manner....
Thanks for your presentation. You explained it very clearly and made it easier to understand. However, I am a little confused at the end when you explained the red sky during sunrise and sunset. You mentioned that the distance between the earth and the sun is greatest during those times. Shouldn’t this distance be more or less the same in the short space of hours between sunrise and noon? And any variation due to the observer’s position on the earth is negligible due to the tiny earth radius compared to the distance to the sun? Thank you.
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Sir i have a doubt!
The density atmosphere is very high near the earth compared to up above the earth...i.e.,the particles of atmosphere are of larger in size which usually scatters light colour of larger wavelength...then why the sky doesn't looks red since the last refracted ray is from the layer of atmosphere near the earth (large colloidal particles)??????
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Most beautiful and informative vedio..complete understanding guaranteed..
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I am not science student. While explaining a lesson I needed to know this. You explained it sooooo well. Thanks a million.
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Sir i have a question fir you , violet colour has least wavelength so sky must look violet bcoz least wavelength most scattering .
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Thank you DELTA STEP ...
now i realised these things
1.The development of interest of a student towards a subject depends a lot upon techniques used by teachers
2. formulae do not complicate science, they make it more comprehensible
3. Teaching is challanging and fun at the same time
4. WE NEED THIS QUALITY TEACHING IF WE ARE EXPECTING OUR FUTURE GENERATIONS TO BE REVOLUTIONARALY CURIOUS
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Great teacher. Awesome presentation. i have tried several times to understand this thing but in vain but you have made it simple and easier for me. Thank you
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Its fantastic, now i dont to cramb it any more.
Thank you so much!
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you're a great teacher fam! HIGH VIBRATIONS TO U
Sir as you are told that the green and blue light scatter more why it will not work on sunrise and sunset. sir please answer to these question.
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your animations are fabulous which made me more easy to understand thanks for it and keep uploading more videos☺️☺️
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Amazing u r soo clear while explaining
Tqsm..!
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Thank you!! the best explaination ever!!
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Bro why don't we take violet... Violet is also less wavelength than blue Results more scattering than blue Among VIBGYOR
Plzz explain
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Very nice videos sir thanks I understand all concepts thanks for helping me.😊😊😊☺☺☺☺💐💐💐💐💐👍👍👍👍👍🎂🎂🎂🎂
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Thank you very much!...
I studied this in 10th,now IAM in my last year of post graduation, finally I understood it clearly.
Special thanks to you and your team
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Superb explanation 👌👌👌
It is very helpful for us thank you........
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You are very good explainer every thing was explained clear
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Thanks sir.....
Really nice.. 🙏🙏
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The evening sky looks orange/red not because of the increased distance between the sun and the earth as you have said, but actually because the sunlight travels longer distance in the atmosphere before it reaches us.
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You r the only one who got successful in teaching me this concept
😃
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Red light has a maximum wavelength
Green light has a moderate wavelength
Blue light has a minimum wavelength
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Love delta step. I love your lecture and i slute the educator for upload best comments.
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What a explanation 😳😳!!
Just spellbound
👌👌👌👌👌
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Can you please tell me it's answer in relation with Tyndall effect
But the video is very very good and even very helpful
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Bro but violet has least wavelength so ....
Why you not mentioned violet
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superb
can u pls upload a video on how actually wavelength affects scattering?
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Thankuu so much sirr ..............
Ur explanation is just Awesome 😊😊
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We are able to see a color just because it is reflected by that object. As sky is reflecting the blue color we are able to see the blue color. Sun appears red during sunrise and sunset because all the colors of Vibgyor get absorbed in the long path of atmosphere it is traveling and what all remains is red.
Yes u re 100% correct bro
Nice way of explanation it helps me a lot to understand thank you
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Finally I understood this. Thank you very much sir. It was very helpful.
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Teachers told me why sky appears blue but didn't explained like this.. Thank u so much sir... Now I can explain it to my students..
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Thanks a lot ,,very interesting and very clear explanetion
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I just love the way you teach and talk sir.. thank you so sooo sooooo much sir
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Really Appreciated. I understood the concept well. Thanks
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This video is amazing, best explaining ever. Thanks a bunch
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Thank you very much for publishing this. You did a very good job. God bless you1
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Amazing explanation
😘 😘
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So easily it could be understood ! Thank you.
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You say the blue light reaches earth 8:50 But why do we only see the sky as blue if this color passes the atmospheric sky reaching our eyes?
We also see the sea as blue, since it reflects the sky.
extremely brilliant teaching...keep up guy
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Hi sir..good morning. In the video you explained that due to scattering of light sky is blue and in space there won't be any atmosphere. In that case sky should appear white instead of black. Please answer
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Really awesome...I do follow all your videos. It helps me out always
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Sir voilet also has minimum wavelength as blue has... Then y we can't see the sky as voilet color
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@@DeltaStep clear my dout sir.. Then I will subscribe
Sir pls make your playlist as like a seperate class and chapter name both ...thnks
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Dear friend I appreciate your effects to explanation about why sky appears blue. I just want to add one point that is regarding radiations from sun, because sun is the composition of light elements so I can not producs x
It can not produces x rays further sun is not the source of gamma rays as you shown in diagram. I hope you will realize the issue so make changes in your diagram. I wish you good luck , keep working.
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Superb sir i liked ur way of explanation☺☺☺☺
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I like ur videos very because ur videos are very easy to understand .... thank u for such nice videos😊😊😊👌
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Super
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Thank you I saw many videos before this video but my concept was not clear now I understand
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Nice, your video is the best in the whole list of this topic. I wanted to go simple but deeper, and the was no such video of my choice but u have solved the problem. But you should make your videos a bit funny. It helps to the watcher. 😇😇😀😀
why the sky appear reddish orange in the evening time 🤔🤔🤔🤔🙄 what the reason behind it can u please sir.... or 🤔the red colour will become shorter wavelength in the evening!!!!!☺️☺️☺️
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Super...
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Why the colour of sky is not violet or indigo,as they have the least wavelength as compare to blue?
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So if we see red when the sun to earth distance is greatest but blue when it is shortest, shouldn't that mean at some point during the day we would see a green sky?
Thank you! Come again!
just kiding man, nice presentation! congrats
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👍🏻👍🏻
Wonderful job. I told my daughter to watch all your physics videos. It is very useful for her in her studies.
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Awesome explanation.with nice method of technology.. practically seen things are more understanding. ... thanks upload more...
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But acc. To rule for scattering of light the sky should appear violet instead of blue because it scatters most?????
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Excellent explaination 🙏
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Your explanation is very clear I can understand everything easily
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nice presentation ....that pictures helps us to understand more...so please keep uploading
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NICE EXPLANATIONS ..... KEEP IT ON ...... UPLOAD MORE VIDEOS AND PLEASE UPLOAD BASED ON BIOLOGY .... PLEASE SIR
awsm keep it up...... vry much imprssive.... good interlectual skills..
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Thank you very nice explanation sir
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Great....... Helpful and very conceptual
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very nice way of teaching and the language is very easy to understand 😃😃
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MashaAllah ap bht a6a samjhatay hain.
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Sir... Really good explanation.... Please upload grade 12 physics apso
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very clear explanation thanks a lot
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Excellent explanation .........!!!
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Liked ur explanation very well
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What about night time then when sun is absent. I think Rayleigh research too is missing some unknown concept. Anyway nice explaination and thanks for your knowledge.
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I have a question If the sun is one million times as the earth , why at night can not we see the sun rays scattering earth atmosphere , why physics books draw sun rays tangent to the earth and not tangent to earth atmosphere ?
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very good and simple explanation,......need some more video like this for daily life sci phenomenon....
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Sir,yeh sunset aur sunrise k time, blue rays and green scatter ho kr hamari eyes pe kyun nahi padti,jaise k blue colour of sky wale case mein tha
very nicely explained. Thank you.
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very nice video.. hats off man I understand everything and cleared all my doubts.. thumps up
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Sir wave length of violet is less comparative to blue why sky not appear violet
+Mohan Sai
voilet, indigo and blue all have small wavelength so they all scatter and the overall or combined effect is blue
mr. Azeem aka THE PROFESSIONALIST
See at home
ua-cam.com/video/_DWVcCx_JVg/v-deo.html
@@mohansai4333 violet is not a primary colour. And violet comes from Blue
Thank you
😊😊
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Amazing... I m vry much benifit. Thnk u gys.
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Your classes made my studies simple .thank you
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Sir not understood in sunrise and sunset red or orange colour appears but at afternoon how it turns backs to blue. u in the video is showing animation that red blue an green light entering the earth surface but red light goes without scaytering an blue light scatters that's why sky appears blue in colour bit in evening the red light is not scattering but blue light is scattering then in evening also we should see blue light why red light plz explain it again in next video with simple explanation why in evening the sky appears red. I think u will make a new video
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While entering the atmosphere White light doesn't decomposes into it's component spectrum then how this explanation is valid
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I really like your videos. Please keep uploading.
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awesome ! i love the way you teach .make more videos for numerical problems
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Osm....u made me score well in my revision exam..in physics...tq sm sir 👍😁😍
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Very good explanation.easy to understand. thanks
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