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

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

A

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

B

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

C

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

D

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

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