Question

The refractive index of a medium 'x' with respect to a medium y is 2/3
and the refractive index of medium y with respect to medium z' is 4/3.
Find the refractive index of medium ‘z' with respect to medium 'x. If the
speed of light in medium 'x' is 3 x 108 ms-1, calculate the speed of light
in medium 'y.​

Answer 1

Answer:

GIVEN:-

Nxy= V1/V2

2/3= 3×10^8/V2

V2=3×10^8×3/2

V2=4.5×10^8

Nyz= V2/V3

4/3=4.5×10^8/V3

V3= 4.5×10^8×3/4

V3=3.3×10^8

Nxz= V1/V3

Nxz=3×10^8/3.3×10^8

Nxz= 30/33

Nxz=10/11

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