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The Speed of Light in Air is 3 × 108 M/S. in Medium X Its Speed is 2 × 108 M/S and in Medium Y the Speed of Light is 2.5 × 108 M/S Calculate: (A) Air Nx (B) Air Ny (C) X Ny - Science

The speed of light in air is 3 × 108 m/s. In medium X its speed is 2 × 108 m/s and in medium Y the speed of light is 2.5 × 108 m/s Calculate:

(aair nx
(bair nY
(cx n

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Solution

 (a) air nx = (Speed of light in air) / (Speed of light in medium X)
= (3 × 108) / (2 × 108)
= 1.5
(b) air Y = (Speed of light in air) / (Speed of light in medium ​Y)
= (3 × 108) / (2.5 × 108)
= 1.2
(c) x nY = (Speed of light in medium X) / (Speed of light in medium ​Y)
= (2 × 108) / (2.5 × 108)
= 0.8 

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APPEARS IN

Lakhmir Singh Class 10 Physics (Science)
Chapter 5 Refraction of Light
Q 13 | Page 228
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