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Q.

Statement - I :When a light wave travels from a rarer to a denser medium, it looses speed. The reduction in speed imply a reduction in energy carried by the light wave.
Statement - II :The energy of a wave is proportional to frequency of wave.

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a

Both statements I and II are correct

b

Statement-I is incorrect and statement-II is correct

c

Both statements I and II are incorrect

d

Statement-I is correct and statement-II is incorrect

answer is D.

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Detailed Solution

When a light wave travel from a rarer to a denser medium, its speed decreases but energy carried by the wave remains constant. It depends on the amplitude of wave. The frequency also remains constant.

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