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De-Broglie wavelengths of the particle i...

De-Broglie wavelengths of the particle increases by 75% then kinetic energy of particle becomes.

A

`(16)/(49)` times

B

`(9)/(16)` times

C

`(16)/(25)`times

D

`(4)/(9)` times.

Text Solution

Verified by Experts

The correct Answer is:
A

`K.E.=p^(2)//2m` and `p=h//lamda`
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