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What is de-Broglie wavelength of electro...

What is de-Broglie wavelength of electron having energy 10 KeV ?

A

0.12 `Å`

B

1.2 `Å`

C

12.2 `Å`

D

none of these

Text Solution

Verified by Experts

The correct Answer is:
A
`lambda = (12.3)/(sqrt(v)) Å = (12.3)/(sqrt(10 xx 10^(3))) = 0.12 Å`
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