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A particle A with a mass m(A) is moving ...

A particle A with a mass `m_(A)` is moving with a velocity v and collides with a particle B of mass `m_(B) (m_(A) gt M_(B))` at rest (one dimensional motion). Calculate the change in the de Broglie wavelength of the particle A. Assume that the collision is elastic in nature.

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`[(h)/(m_(A)v) ((m_(A) + m_(B))/(m_(A) - m_(B)) -1)]`
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