Questions  

Moving with the same velocity, which of the following has the longest de Broglie wavelength?

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By Expert Faculty of Sri Chaitanya
a
β− particle
b
α-particle
c
proton
d
neutron
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detailed solution

Correct option is A

β− particle  is an electron. Since electron has the smallest mass, its de Broglie wavelength is the longest as the velocity of all particles is the same.

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