Question

The refractive index of diamond is 2.42. what is the meaning of this statement?

Answer 1

The given statement means that when light enters a diamond, its velocity gets reduced by a factor of 2.42.

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Answer 2

Dear Student,

◆ Explanation -

• Refractive index is the ratio of the velocity of light in a vacuum to its velocity in a specified medium.
• It is represented by letter μ. i.e. μ = c/v.
• When we say refractive index of diamond is 2.42, it means velocity of light through diamond will be v/2.42.

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