An air bubble in a glass slab of refractive index when viewed from one side appears to be at 6 cm and from opposite side at 4 cm. Then the width of glass slab is

Question

An air bubble in a glass slab of refractive index $μ = 1.5$ when viewed from one side appears to be at 6 cm and from opposite side at 4 cm. Then the width of glass slab is

Smart Achievers · Accepted Answer

(2)

$6 = \frac{x_{1}}{1.5},$ $4 = \frac{x_{2}}{1.5},$ $width = x_{1} + x_{2}$

Solution

Q.
An air bubble in a glass slab of refractive index $μ = 1.5$ when viewed from one side appears to be at 6 cm and from opposite side at 4 cm. Then the width of glass slab is

1 10 cm

2 15 cm

3 18 cm

4 20 cm

Ans.
(2)

$6 = \frac{x_{1}}{1.5},$ $4 = \frac{x_{2}}{1.5},$ $width = x_{1} + x_{2}$

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