Home Physics Electron, Photon, Photoelectric Effect and X-rays NCERT Examplar A particle is dropped from a height H. The d…
Physics Electron, Photon, Photoelectric Effect and X-rays NCERT Examplar MCQ (Single Correct)

A particle is dropped from a height H. The de-Broglie wavelength of the particle as a function of height is proportional to:

A
H
B
C
D

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The correct answer is:
D

Velocity of a body falling from a height H is given by

We know that de-Broglie wavelength

Here, is a constant say ' K '.
So,

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