Electromagnetic Forces Flashcards
1
Q
What is the boson for the EM Force?
A
Photon
2
Q
Rank the four fundamental forces in order of strength.
A
- Strong Nuclear
- Electromagnetic Forces
- Weak Nuclear
- Gravitational
3
Q
What is a photon?
A
It is a virtual packet of energy. It represents discrete energy levels.
4
Q
What is the equation for energy using Planck’s constant?
A
E = hf
5
Q
How can you rearrange v = fλ to include Planck’s constant?
A
E = hc/λ
6
Q
What is the equation for power of a laser?
A
The no. of protons per second x hf
or
P = nhf
7
Q
What is the mass and charge of a photon?
A
0, it has no mass.
