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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

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Question

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

Options

  • greater than unity

  • less than unity

  • equal to unity

  • zero

MCQ
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Solution

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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Chapter 10: Light – Reflection and Refraction - Multiple Choice Questions [Page 80]

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NCERT Exemplar Science Exemplar Class 10
Chapter 10 Light – Reflection and Refraction
Multiple Choice Questions | Q 5. | Page 80

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