﻿ Calculate de-Broglie wavelength for an electron and a proton moving with the same speed of 105 m/s. (me = 9.1×10 –31 kg, mp = 1.67 × 10 –27 kg and h = 6.63 × 10 –34 Js). : Kaysons Education

# Calculate De-Broglie Wavelength For An Electron And A Proton Moving With The Same Speed Of 105 m/s. (me = 9.1×10 –31 kg, mp = 1.67 × 10 –27 kg And h = 6.63 × 10 –34 Js).

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## Question

### Solution

Correct option is

The de-Broglie wavelength associated with a particle of mass m moving with speed v is given by

Where h is Planck’s constant. Thus, the de-Broglie wavelength associated with the electron is

And the wavelength associated with the proton is

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