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