Question

The speed of light in glass of refractive Index 1.5 is 2 x 10power8 ms-1. In a certain liquid the speed of light is
2.5 x 108 ms-1. The refractive index of liquid is
[ ]
a) 0.64
b) 0.08
c) 1.2
d) 1.44​

Answer 1

Answer:

3)

Explanation:

Refractive index = speed of light in air / speed of light in liquid

hope it helps

Answer 2

Answer:

Using shell's law

sin r

sin i

=

v

2

v

1

=

μ

1

μ

2

μ

4

=

v

2

v

1

1.5=

2×10

8

v

1

v

1

=3×10

8

m/s in air

Now again

μ

21

=

2×10

8

3×10

8

HOPE IT HELPS YOU

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