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An electron, a proton and an alpha parti...

An electron, a proton and an alpha particle have kinetic energies of 16E, 4E and E respectively. What is the qualitative order of their de Broglie wavelengths?

A

`lambda_e gt lambda_p = lambda_a`

B

`lambda_p = lambda_a gt lambda_e`

C

`lambda_p gt lambda_e gt lambda_a`

D

`lambda_a gt lambda_e gt gt lambda_p`

Text Solution

Verified by Experts

The correct Answer is:
A
`lambda = h/(sqrt(2mKE))`
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