Question

There is a small air bubble inside a glass sphere (u = 1.5) of radius
5 cm. The bubble is at 'O' at 7.5 cm below the surface of the glass.
The sphere is placed inside water (u =4/3) such that the top surface of glass is 10 cm below the surface of water. The bubble is viewed normally from air. Find the apparent depth of the bubble.
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Answer 1

Answer:

v=-3

Explanation:

it was the answer for above picture