﻿ A particle is moving three times as fast as an electron. The ratio of the de-Broglie wavelength of the particle to that of the electron is . Calculate the particle’s mass and identify the particle. : Kaysons Education

# A Particle Is Moving Three Times As Fast As An Electron. The Ratio Of The De-Broglie Wavelength Of The Particle To That Of The Electron is . Calculate The Particle’s Mass And Identify The Particle.

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## Question

### Solution

Correct option is

De-Broglie wavelength associated with a particle of mass m moving with a velocity v is given by

For an electron, the wavelength is

Dividing the two equations

Here

The substituting the values, we get

.

This mass is of neutron.

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