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If the kinetic energy of a free electron...

If the kinetic energy of a free electron doubles , its de - Broglie wavelength changes by the factor

A

`1//sqrt(2)`

B

`sqrt(2)`

C

`1//2`

D

2

Text Solution

Verified by Experts

The correct Answer is:
A
`lambda =h/(sqrt(2mk))rArrlambdaprop 1/(sqrt(k))`
i.e . `1/(sqrt(2))` times .
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