$\mathrm { X }$ -Rays with a Wavelength Of $0.00100 \mathrm {~nm}$

Multiple Choice

$\mathrm { X }$ -rays with a wavelength of $0.00100 \mathrm {~nm}$ are scattered at $130 ^ { \circ }$ by free electrons. What is the kinetic energy of each recoil electron? $\left( 1 \mathrm { eV } = 1.60 \times 10 ^ { - 19 } \mathrm {~J} \right.$ , melectron $= 9.11 \times 10 ^ { - 31 } \mathrm {~kg} , c = 3.00 \times 10 ^ { 8 }$ $\left. \mathrm { m } / \mathrm { s } , h = 6.626 \times 10 ^ { - 34 } \mathrm {~J} \cdot \mathrm { s } \right)$

A) $0.34 \mathrm { MeV }$
B) $0.68 \mathrm { MeV }$
C) $0.50 \mathrm { MeV }$
D) $2.0 \mathrm { MeV }$
E) $0.99 \mathrm { MeV }$