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An air bubble in a glass slab with refra...

An air bubble in a glass slab with refractive index 1.5 (near normal incidence) is 5 cm deep when viewed from one surface and 3 cm deep when viewed from the opposite face. The thickness (in cm) of the slab is

A

12

B

16

C

8

D

10

Text Solution

Verified by Experts

The correct Answer is:
A, B

Thickness of glass slab
`t=n(h_i+h_i.)`
`=1.5(5+3)`
`=1.5xx8=12` cm
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