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The wavelength of a 1 keV photon is 1.24...

The wavelength of a `1 keV` photon is `1.24 xx 10^(-9)`m. What is the frequency of `1 MeV photon`?

A

`1.24xx10^15` Hz

B

`2.4xx10^20` Hz

C

`1.24xx10^18` Hz

D

`2.4xx10^23` hz

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AAKASH INSTITUTE ENGLISH-DUAL NATURE OF RADIATION AND MATTER -ASSIGNMENT SECTION A. Objective (Only one answer)
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