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Problem

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Textbook Expert
Textbook ExpertVerified Tutor
18 Nov 2021

Given information

Given:

Refractive index of water
Refractive index of air
Water depth ‘D’ = 82.0 cm
Let the angle of incident (critical angle) be
Let distance from just above the spot to the strike point be ‘d’
Angle of refraction

 

Step-by-step explanation

Step 1.

Formula:

After applying Snell’s Law
                     

There, all alphabets are in their usual meanings.

 

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