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Question

The frequency of a wave of light is 12×1014S1 The wave number associated with this light is


A

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B

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C

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D

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Solution

The correct option is D


Frequency v=12×1014s1 and velocity of light c=3×1010cms1. We know that the wave number

¯V=vc=12×10143×1010=4×104cm1


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