Subatomic particles

Question 1

Charge of an upquark

Answer 1

+2/3

Question 2

Charge of a downquark

Answer 2

-1/3

Question 3

Quark composition for a proton

Answer 3

uud

Question 4

Quark composition of a neutron

Answer 4

ddu

Question 5

Quark composition of a Δ++

Answer 5

uuu

Question 6

Quark composition of a Δ-

Answer 6

ddd

Question 7

Quark composition of a π0

Answer 7

uū
d(d)

Question 8

Quark composition of a π-

Answer 8

dū

Question 9

Quark composition of a π+

Answer 9

u(d)

Question 10

What’s the charge and lepton number of an Electron Neutrino

Answer 10

L: 1
Q: 0

Question 11

What’s the charge and lepton number of an Anti-electron Neutrino

Answer 11

L: -1
Q: 0

Question 12

What are the conditions for the Electromagnetic force

Answer 12

• Involves Photons
• No quark flavour change

Question 13

What are the conditions for the Strong force

Answer 13

• No Electron neutrinos
• No photons
• No quark flavour change

Question 14

What are the conditions for the Weak force

Answer 14

• Involves Electron Neutrinos
• Quark flavour change occurs