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A particle of mass M at rest decays into two particles of masses m1 and m2, having non-zero velocities. The ratio of the de Brogile wavelengths of the particles, λ12, is
  • a)
    m1/m2
  • b)
    m2/m1
  • c)
    1.0
  • d)
Correct answer is option 'C'. Can you explain this answer?
Most Upvoted Answer
A particle of mass M at rest decays into two particles of masses m1 a...
Let v1 and v2 be the respective speeds of the two particles.
The law of conservation of linear momentum gives
m1v1 + m2v2 = 0 or
Since de Broglie wavelength λ = h/(mv), we will have
= 1.0, which is choice (3).
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A particle of mass M at rest decays into two particles of masses m1 and m2, having non-zero velocities. The ratio of the de Brogile wavelengths of the particles, λ1/λ2, isa)m1/m2b)m2/m1c)1.0d)Correct answer is option 'C'. Can you explain this answer?
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