Question

absolute refractive index of water is 4 by 3 what is the critical angle​

Answer 1

Answer:

Explanation:

Refractive index (n)= 1/sinC

Given n = 4/3

4/3=1/sinC

Reciprocate or cross multiply

SinC=3/4

C= sin inverse (3/4)

Or sin inverse 0.75

Answer 2

Explanation:

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