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A light wave enters from air into glass. How will the frequency of the wave be affected?

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in Physics – Class 12 by (135k points)
A light wave enters from air into glass. How will the frequency of the wave be affected?

(a) Increases

(b) Remains unchanged

(c) Decreases

(d) Insignificant

I got this question by my school principal while I was bunking the class.

I need to ask this question from Wave Optics in division Wave Optics of Physics – Class 12

1 Answer

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Best answer
Right answer is (b) Remains unchanged

To explain: The frequency of the wave remains unchanged. This is because the frequency is independent of the wave dynamics. Therefore, when a light wave enters from the air medium into the glass medium, the frequency will be the same.

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