Question

The de-Broglie wavelength of a free electron with kinetic energy is . If the kinetic energy of the electron is doubled, the de-Broglie wavelength is:

A

B

C

D

Hard

Solution

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Correct option is A)

Kinetic energy initially is given by: 
where 
Mass of the particle
Speed of the particle
Momentum of the particle

De-broglie wavelength is given by,

Given
Given

Video Explanation

Solution To Question ID 475562
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