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A praticle of mass M at rest decays into...

A praticle of mass M at rest decays into two particle of masses `m_1` and `m_2`, having non-zero velocities. The ratio of the de Broglie wavelength of the particles `(lamda_1)/(lamda_2)` is

A

`1:1`

B

`1:2`

C

`2:1`

D

`1:4`

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The correct Answer is:
A
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