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The qualitative order of de Broglie wave...

The qualitative order of de Broglie wavelength for electron, proton and `alpha` perticle is `lambda_(e)gtlambda_(P)gtlambda_(alpha):`

A

if kinetic energy is same for all particles

B

if the accelerating potential difference 'V' is same for all the particles (from rest)

C

if velocities are same for all particles

D

never possible

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The correct Answer is:
A, B, C
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