A particle of mass 4m at rest decays int...

A particle of mass 4m at rest decays into two particles of masses m and 3m having non-zero velocities. The ratio of the de Broglie wavelengths of the particles 1 and 2 is

`(m_(1))/(m_(2))`

`(m_(2))/(m_(1))`

`1`

`(sqrt(m_(2)))/(sqrt(m_(1)))`

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