A -ray photon collides with a stationary electron and is scattered at with a new…

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Modern Physics · Modern Physics

Problem

0.070\,\text{nm}

\gamma

-ray photon collides with a stationary electron and is scattered at

30^{\circ}

with a new wavelength of

0.074\,\text{nm}

. What is the magnitude of the electron’s momentum immediately after the collision? (a)

1.4\times10^{-23}\,\text{kg}\,\text{m}\,\text{s}^{-1}

(b)

4.8\times10^{-24}\,\text{kg}\,\text{m}\,\text{s}^{-1}

(c)

9.5\times10^{-24}\,\text{kg}\,\text{m}\,\text{s}^{-1}

(d)

5.0\times10^{-23}\,\text{kg}\,\text{m}\,\text{s}^{-1}