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15 questions
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- 1. Multiple Choice
How many types of quark are there?
8
6
2
4
- 2. Multiple Choice
What type of particle is an electron?
baryon
hadron
meson
lepton
- 3. Multiple Choice
What is the electric charge of an up quark?
-1/3
0
+1/3
+2/3
+1
- 4. Multiple Choice
What is the electric charge of an anti-down quark?
-2/3
-1/3
0
+1/3
+2/3
- 5. Multiple Choice
What combination of quarks is a proton made of?
uud
udd
ubb
ssd
css
- 6. Multiple Choice
What combination of quarks is a neutron made of?
uud
udd
css
ubb
uub
- 7. Multiple Choice
A particle made of 3 quarks is called a....
meson
lepton
baryon
boson
- 8. Multiple Choice
A particle made of a quark and anti-quark is called a....
meson
lepton
baryon
boson
- 9. Multiple Choice
I am a second generation quark with positive charge. What am I?
up quark
down quark
charm quark
strange quark
top quark
- 10. Multiple Choice
I am a lepton with no electric charge. What am I?
muon
meson
electron
neutrino
- 11. Multiple Choice
Select the 2 forces that have infinite range.
gravitational force
strong nuclear force
weak nuclear force
electromagnetic force
- 12. Multiple Choice
Which force is responsible for holding quarks together in the nucleus?
gravitational force
strong nuclear force
weak nuclear force
electromagnetic force
- 13. Multiple Choice
What is the force mediating particle (boson) for the electromagnetic force?
photon
gluon
graviton
W and Z bosons
- 14. Multiple Choice
What is the weakest force in nature?
gravitational force
strong nuclear force
weak nuclear force
electromagnetic force
- 15. Multiple Choice
A particle consists of the quarks uds. What is the electric charge of this particle?
-1
-1/3
0
1/3
1
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