MHT CET 2023 Physics question

A double convex air bubble in water behaves as

(A)convergent gas
(B)divergent gasCorrect
(C)plane slab
(D)concave mirror

Answer: (B)

Solution

A lens is convergent or divergent depending on the refractive index of the lens material relative to the surrounding medium. For an air bubble in water, , so the lens maker's formula has a negative

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Question ID VK-095260