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प्रश्न
A light ray enters from medium A to medium B as shown in Figure 10.2. The refractive index of medium B relative to A will be
विकल्प
greater than unity
less than unity
equal to unity
zero
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उत्तर
greater than unity
Explanation -
The ray of light travelling from medium A to medium B bends towards the normal. It shows that the medium B is denser and the medium A is rarer.
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