The speed of light in air is m/s. In the medium X its speed is m/s and in
medium Y the speed of light is m/s. Calculate refractive index of medium Y
with respect to medium X.
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Answer:
(a) air nx = (Speed of light in air) / (Speed of light in medium X)
= (3 × 108) / (2 × 108)
= 1.5
(b) air n 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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