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What is the energy of a proton possessin...

What is the energy of a proton possessing wavelength `0.4A`?

A

0.51 eV

B

1.51 eV

C

10.51 eV

D

100.51 eV

Text Solution

Verified by Experts

The correct Answer is:
A
`lamda=(0.286)/(sqrtE(i n eV))A`
`sqrtE(i n eV)=(0.286)/(0.4)approx0.707approx(1)/(sqrt2)`
E(in eV) `=0.51`
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