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A fish is a little away below the surface of a lake. If the critical angle is , then the fish could see things above water surface within an angular range of where

a)

b)

c)

d)


Question ID - 152251 | Toppr Answer

A fish is a little away below the surface of a lake. If the critical angle is , then the fish could see things above water surface within an angular range of where

a)

b)

c)

d)

1 Answer - 5876 Votes

3537

Answer Key : (b) -

(b)

The angular range is clearly twice the critical angle



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