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Question

A material particle with a rest mass m0 is moving with a velocity of light c. Then determine the wavelength of the de Broglie wave associated with it is.

A
(h/m0c)
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B
zero
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C
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D
(m0c/h)
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Solution

The correct option is A (h/m0c)
A
The de Broglie wavelength is
λ=hp=hmv
Where h = planks constant
m = rest mass
v = Velocity
Here mois the rest mass and c is the velocity. So the de Broglie wavelength is
λ=hmoc

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