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

(a) Decreases

(b) Increases

(c) Remains the same

(d) Independent

This question was posed to me in class test.

I would like to ask this question from Wave Optics in section Wave Optics of Physics – Class 12

1 Answer

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Best answer
Right choice is (a) Decreases

Easy explanation: When a light wave enters from the air medium into the glass medium, the energy of the wave decreases because a part of the light wave is reflected in the air. Therefore, in this way, energy will be affected.

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