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An electron of mass m and a photon have ...

An electron of mass `m` and a photon have same energy `E`. The ratio of de - Broglie wavelengths associated with them is :

A

` ( 1 ) /(c ) ((E )/(2m))^((1)/(2))`

B

` ((E )/(2m))^((1)/(2)) `

C

`c ( 2mE ) ^((1)/(2)) `

D

` (1)/(c ) ((2m)/(E ))^(1//2 ) `

Text Solution

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The correct Answer is:
A
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