A particle of mass at rest decays into two particles of masses and having non-zero…

PHYSICS · Single correct · A Level · Physics · Particles and radiation · Particles and radiation

Problem

A particle of mass

m

at rest decays into two particles of masses

m_1

and

m_2

having non-zero velocities. The ratio of the de Broglie wavelengths of the particles,

\frac{\lambda_1}{\lambda_2}

, is (1)

\frac{m_1}{m_2}

(2)

\frac{m_2}{m_1}

(3)

1

(4)

\frac{\sqrt{m_2}}{\sqrt{m_1}}