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Q.

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

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a

m1/m2

b

m2/m1

c

1.0

d

m2/m1

answer is C.

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Detailed Solution

According to de Broglie λ=h/mv λ1λ2=h/m1v1h/m2v2=m2v2m1v1 Applying the law of conservation of momentum m1v1=m2v2 From eqs. (1) atrd (2), we Be λ1λ2=m1v1m1v1=1
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