Physics Electron, Photon, Photoelectric Effect and X-rays Karnataka - CET Previous Year Question MCQ (Single Correct)

An electron of mass and a proton of mass are moving with the same speed. The ratio of their de-Broglie's wavelengths is

A
1
B
1836
C
D
918

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The correct answer is:
B

de Broglie wavelength,

where is the mass and is the speed of the particle.

As electron and proton both are moving with same speed, therefore the ratio of their de Broglie wavelengths is

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