Deriving prism formula | Class 12 (India) | Physics | Khan Academy

What makes the 22 degrees halo, 22 degrees?
Let's derive an expression for the angle of minimum deviation.
Created by Mahesh Shenoy

[aminul]

Man few would take hours to explain this and u did it in just 15 mins!!! Extremely grateful ❤️

[chinthapremathilaka]

I am from Sri Lanka....and watched this because I didn't get what my teacher taught about minimum angle of deviations through a prism....and now I know ..how the graph was made thanks to this video..❤️❤️❤️

[SumitKumar-xhtt]

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[souravghosh]

It was just wonderful I was trying to understand why i=e at minimum deviation, You explained it so simply I really enjoyed it ❤️❤️❤️❤️❤️❤️

[srinivaspatil]

My concept became clear and I could imagine everything easily. Thank you ☺

[khelvynamedo]

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You’re superb. ❤️❤️

[abinashsamal]

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[shinymarshal]

Literally so grateful to youu!! 💗 You made it seem much more easier.

[lalkrishnasingh]

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[lahaisswaray]

The method above, help me to find another mode in work out the deviation, thanks to the producer .

[AnuragKumari-yp]

nice way to explain its very helpful for me thank you i m from USA. GREAT explanation

[garimasingh]

my doubt got cleared ... thanks a lot, sir.

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[mahmuda]

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[RaviKumar-swdh]

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So that we can easily revise concept

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[harshdhumal]

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It really helped me alot

[m.vijayalakshmi]

Why in snells law we didn't take as n1 and n2?

[vibhakawale]

I would have somehow memorised it if you were not there but you just made me to deeply understand the concept rather than memorising it.
Thanks a lot 🤞🤞🤞