do it
| Front | What equation shows the energy of a photon(both)? |
| Back | E=hf and E=(hc)/lander(wavelength) |
| Front | What happens in beta plus decay? |
| Back | A proton produces a neutron, positron and an electron neutrino (WEAK interaction) |
| Front | What is the rest energy of an electron in MeV? |
| Back | 0.5 |