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An electron with velocity v is found to ...

An electron with velocity `v` is found to have a certain value of de Brogle wavelength .The velocity that the muetron should process to have the same de Broglie wavelength is

A

v

B

`(v)/(1840)`

C

`1840 v`

D

`(1840)/(v)`

Text Solution

Verified by Experts

The correct Answer is:
B
`lambda_(e) = lambda_(n)` or `(h)/(m_(e)v_(e)) = (h)/(m_(n)v_(n))`
or `v_(n) = (v xx m_(e))/(m_(e)) ~~ (v)/(1840)`
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