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Question

The frequency of yellow light having wavelength 600 nm is


A

5.0×1014Hz

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B

2.5×107Hz

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C

5.0×107Hz

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D

2.5×1014Hz

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Solution

The correct option is A

5.0×1014Hz


We know, in vacuum, all electromagnetic radiations travel at the speed of light.
c=νλ

ν=cλ=3×108m/s600×109m=5.0×1014Hz


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