A particle of mass m is projected from ground with velocity u making angle θ with the vertical. The de Broglie wavelength of the particle at the highest point is
h/mu
∞
h/musinθ
h/mucosθ
A
h/mucosθ
B
∞
C
h/musinθ
D
h/mu
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Solution
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De Broglie wavelength is given by: λ=hmv
At the highest point, only the horizontal component of the velocity will be there, which is usinθ.
Thus, wavelength is given by, λ=hmusinθ
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