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The de-Broglie wavelength of a proton an...

The de-Broglie wavelength of a proton and an electron are equal. The it follows that

A

the velocity of the proton is more than that of the electron

B

the velocity of the electron is more than that of the proton

C

the velocities of the proton and electrons are equal

D

the energies of proton and electron are equal

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The correct Answer is:
B
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