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Calculate de Broglie wavelenth of a neut...

Calculate de Broglie wavelenth of a neutron (mass, `m=1.6xx10^(-27)` kg) moving with kinetic energy of 0.04 eV-

A

146 `"Å"`

B

14.6 `"Å"`

C

1460 `"Å"`

D

1.46 `"Å"`

Text Solution

Verified by Experts

The correct Answer is:
D
`KE=0.04xx1.6xx10^(-19)JrArrlamda=(h)/sqrt(2mKE)`
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