1.
X-rays are scattered from electrons in a carbon target. Themeasured wavelength shift is 0.00131 nm. Calculate the scatteringangle. The speed of light is 3 × 108 m/s and Planck’s constant is6.626 × 10?34 J · s. Answer in units of ? .
2.
A 0.0011 nm photon scatters from a free electron. For what(photon) scattering angle will the recoiling electron and scatteredphoton have the same kinetic energy? The speed of light is 3 × 108m/s and Planck’s constant is 6.626 × 10?34 J · s. Answer in unitsof ? .
please help
