Particle Interactions

Question 1

What does the electromagnetic force affect?

Answer 1

All charged particles

Question 2

Is the electromagnetic force attractive or repulsive?

Answer 2

Both

Question 3

What is the exchange particle of electromagnetic force?

Answer 3

Virtual photon

Question 4

What does gravitational force affect?

Answer 4

Anything with mass (all matter)

Question 5

Is gravity attractive or repulsive?

Answer 5

Always attractive

Question 6

What does the strong force do?

Answer 6

Holds the nucleus of an atom together

Question 7

In what range is the strong force attractive?

Answer 7

0.5fm - 3fm

Question 8

When is the strong force repulsive?

Answer 8

Below 0.5fm

Question 9

What are the exchange particles in strong nuclear interactions?

Answer 9

Gluons

Question 10

What does the strong nuclear force affect?

Answer 10

Hadrons

Question 11

What does the weak nuclear force affect?

Answer 11

All particles

Question 12

What is the exchange particle of the weak nuclear force?

Answer 12

W boson (+ or -)

Question 13

What is the range of the weak nuclear force?

Answer 13

10^-18m

Question 14

What is the weak nuclear force responsible for?

Answer 14

Beta decay, electron capture and electron-proton collisions

Question 15

What do we use to represent particle interactions?

Answer 15

diagrams

Question 16

What is the exchange particle for electron capture?

Answer 16

W+ boson

Question 17

What is the exchange particle for electron proton collision?

Answer 17

W+ boson

Question 18

Which direction does the exchange particle go in an electron capture diagram?

Answer 18

From the proton to the electron

Question 19

Which direction does the exchange particle go in an electron proton collision diagram?

Answer 19

From the electron to the proton

Question 20

What is the exchange particle for beta plus decay?

Answer 20

W+ boson

Question 21

What is the exchange particle for beta minus decay?

Answer 21

W- boson