Physics, asked by gurpritjai, 17 days ago

Hey guys!!!
Please answer the attached question

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Answered by bsrsyamala

1

Answer:

Sin^-1(3/4)

Explanation:

The ray comes out of the water and makes an angle of 90° with the water surface

Hence, r=90°

Abd also (u)air=1

Using snells law,

usin theta=(u)air sin r

4/3sin theta=1*sin 90°

So, sin theta=3/4[as sin 90°=1]

Theta=sin^-1(3/4)

Mark me as brainliest if you wish

Hope it helps

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