MHT CET 2025 Physics question

The de-Broglie wavelength () of a particle

(A)is inversely proportional to impulseCorrect
(B)does not depend on impulse
(C)is proportional to mass
(D)is proportional to impulse

Answer: (A)

Solution

The de Broglie relation is , where is the momentum of the particle. Impulse is the change in momentum, and for a particle starting from rest the impulse delivered equals its momentum , so

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Question ID VK-101858