A particle of mass M at rest decays into two particles of masses r?11 and m2 having non-zero velocities. The ratio of the de Broglie wavelengths of the particles, λ1,λ2 is
A particle of mass M at rest decays into two particles of masses r?11 and m2 having non-zero velocities. The ratio of the de Broglie wavelengths of the particles, is