A bubble in glass slab $(μ = 1.5)$ when viewed from one side appears at $5 c m$ and $2 c m$ from other side, then thickness of slab is :

3.75 c m

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3 c m

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10.5 c m

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2.5 c m

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Solution

The correct option is D

10.5 c m

Acco. To given information. [ #] i use this for refractive index we know, 
refractive index = real depth/ apparent depth case 
1. x/5=1.5 
and case 2 x/2= 1.5 
now add both case we get 
x = 10.5 
as answer

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A bubble in glass slab (μ=1.5) when viewed from one side appears at 5 cm and 2 cm from other side, then thickness of slab is :

The correct option is D 10.5 cmAcco. To given information. [ #] i use this for refractive index we know, refractive index = real depth/ apparent depth case 1. x/5=1.5 and case 2 x/2= 1.5 now add both case we get x = 10.5 as answer

A bubble in glass slab $(μ = 1.5)$ when viewed from one side appears at $5 c m$ and $2 c m$ from other side, then thickness of slab is :

The correct option is D $10.5 c m$
Acco. To given information. [ #] i use this for refractive index we know,
refractive index = real depth/ apparent depth case
1. x/5=1.5
and case 2 x/2= 1.5
now add both case we get
x = 10.5
as answer