Question

Which of the following particles - neutron, proton,electron and deuteron has the lowest energy if all have the same de Broglie wavelength:

A

neutron

B

proton

C

electron

D

deuteron

Medium
Solution
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Correct option is D)





So 
Deuteron is mass of 1 proton and 1 neutron ,hence its mass is maximum out of the given particles ,so its energy is the lowest.

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