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A sodium street light gives off yellow l...

A sodium street light gives off yellow light that has a wavelength of 600 nm.
Then (For energy of a photon take `E=(12400eV-"Å")/(lambda("Å")):`

A

frequency of this light is `7xx10^(14)s^(-1)`

B

frequency of this light is `5xx10^(14)s^(-1)`

C

wave number of the light is `3xx10^(6) m^(-1)`

D

energy of the photon is approximately 2.07 eV

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The correct Answer is:
B, D
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