Quantum

Question 1

Mediating particle for the electromagnetic force?

Answer 1

Virtual photon

Question 2

Mediating particle for gravitational force?

Answer 2

Graviton (undiscovered)

Question 3

Mediating particle for strong interaction?

Answer 3

Gluons for quarks, pions for nucleons

Question 4

Range of strong force?

Answer 4

Att 4-0.4 femto-meters, repulse below 0.5 femto-meters (1.0x10^-15)

Question 5

What is apha decay?

Answer 5

Ejection of helium 2+ ion from parent nucleus to stabilise itself.

Question 6

What is beta decay?

Answer 6

B+ P->N + electron neutrino + positron

B- N->P + electron anti-neutrino + electron

Question 7

Speed of wave?

Answer 7

C=f x (lander)

Question 8

Energy of a particle

Answer 8

E=hf

Question 9

Annihilation is opposite of

Answer 9

Pair production

Question 10

Anti particles vs particles

Answer 10

Same mass
Same rest energy
Opposite charge

Question 11

Rest energy found by

Answer 11

E=MC^2