Question

speed of light in glass is 2*10 rais 8ms find the reflective index of glass
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Answer 1

Answer:

don't no

Explanation:

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Answer 2

Answer:

We know that refractive index n=

velocityoflightinmedium

velocityoflightinair

n=

2×10

8

3×10

8

=1.5

Also n=

apparentdepth

actualdepth

n=

x

6

=1.5

So x=4cm

Dot will be raise by 6−4=2cm

Explanation:

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