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) InsignificantI 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

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

1.	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) InsignificantI 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
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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