The speed of light in air is 3 x 108 m/s. In medium ‘X’ its speed is 2 x 106 m/s and in medium ‘Y’ the speed of light is 2.5 x 106 m/s. Refractive index of ‘Y’ with respect to ‘X’ is |
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The speed of light in air is 3 x 108 m/s. In medium ‘X’ its speed is 2 x 106 m/s and in medium ‘Y’ the speed of light is 2.5 x 106 m/s. Refractive index of ‘Y’ with respect to ‘X’ is |
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(a) |
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(b) |
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(c) |
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(d) |
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