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Two matter waves A and B have same magnitude of wavelength. If mass of B is four times that of A then the velocity of A must be ……
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a
Twice that of B
b
Half of that of B
c
Four times that of B
d
One fourth of that of B
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Correct option is C
λ=hmv; Given λA=λB; Thus mAvA=mBvB; since h is a constant. 1×vA=4×vB
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