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Question Practice

How is the refractive index of a substance defined?

Attempt the question, check the explanation, and continue with similar questions to build confidence before exams.

MCQ_SA
CBSE
Class 12
Physics
Physics Part - II
RAY OPTICS AND OPTICAL INSTRUMENTS
Question Bank

How is the refractive index of...

Single Answer MCQ
Q-00085932

How is the refractive index of a substance defined?

1

The speed of light in the substance over the speed of sound

2

The ratio of the speed of light in vacuum to that in the substance

3

The amount of light it absorbs

4

The density of the substance

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