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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Twice that of B

Half of that of B

Four times that of B

One fourth of that of B

answer is C.

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Detailed Solution

λ=hmv; Given λA=λB; Thus mAvA=mBvB; since h is a constant. 1×vA=4×vB

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