Particles Flashcards
1
Q
What is meant by specific charge
A
The charge to mass ratio Specific charge(c/kg)= charge/mass
2
Q
State the use of radioactive isotopes
A
Carbon dating- the proportion of carbon 14 can be used to estimate age
3
Q
Describe the range of the strong force
A
Repulsive up to 0.5fm
Attractive from 0.5-3fm
Negligible past 3fm
4
Q
What makes nuclei unstable
A
Too many protons or neutrons or both
5
Q
Which particles interact using the strong interaction
A
Up, charm, top, gluon
6
Q
Which particles interact with weak force
A
Electrons, muons, tau, z boson
7
Q
Which particles interact by electromagnetic force
A
Down, strange, bottom, photon