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The de Broglie wavelength of an electron...

The de Broglie wavelength of an electron moving with a velocity of `1.5xx10^(8)ms^(-1)` is equal to that of a photon find the ratio of the kinetic energy of the photon to that of the electron.

A

`2`

B

`4`

C

`(1)/(2)`

D

`(1)/(4)`

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The correct Answer is:
D
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