A 1.3 MeV gamma-ray Compton scatters in carbon. The scatter angle is 15.

1) What is the energy of the scattered photon?

2) What is the wavelength of the scattered photon?

3) What is the momentum of the scattered photon (in Js/m)?

4) What is the kinetic energy of the recoil electron, assuming it is the most easily ionized electron that is ejected?

5) What is the momentum of the recoil electron (in Js/m)? f) What is the average distance that the 1.3 MeV photon traveled in carbon before it Compton scattered? (https://physics.nist.gov/PhysRefData/XrayMassCoef/ElemTab/z06.html)

6) How thick do you need to make the carbon to have a 90% chance of absorbing the full 1.3 MeV gamma ray?

7) Same as part g, but for germanium instead