Question

the speed of light in air is 3x10power8 .in the medium X it's speed is 2x10power8 m/s and in medium Y the speed of light is 2.5 x10 power 8 m/s calculate the refrective index of medium Y with respect to X ​

Answer 1

Answer:

Okay

Explanation:

Given:

Speed of light in air = 3.0 x 108m/s

Speed of light in medium X = 2.0 x 108m/s

Speed of light in medium Y = 2.50 x 108m/s

(a) airnx = ?

airnx = speed of light in air/speed of light in medium x

airnx = 3.0 x 108 m/s/2.0 x 108m/s

= 1.5

(b) airny = ?

airny = speed of light in air/speed of light in medium y

airny = 3.0 x 108m/s/2.50 x 108m/s

= 1.2

(c) xny=?

xny = speed of light in medium x/speed of light in medium y

xny = 2.0 x 108m/s/2.50 x 108m/s

= 0.8

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