All Particles Flashcards
1
Q
How to calculate the energy of 1 photon
A
E = planks constant x frequency in hz
2
Q
How to calculate frequency
A
f= speed of light divided by wavelength in m
3
Q
How to calculate a minimum energy needed in MeV for pair production
A
Minus energy =. 2 x rest energy of the particle in MeV
4
Q
How to calculate the minimum energy of photons produced in annihilation
A
Minimum energy =rest energy of particle type annihilated