NEW
Font size
S
M
L
XL
WorksheetsTOPIC 9 Nuclear and Particle Physics (1st hour)
Total questions: 10
Worksheet time: 8mins
Name
Class
Date
1.
1. Which of the atomic particles has the least mass?
a)
electron
b)
proton
c)
neutron
d)
nucleon
2.
2. The binding energy of a nucleus is contributed to
a)
radioactivity.
b)
alpha decay.
c)
too many neutrons.
d)
mass defect.
3.
3. The binding energy per nucleon
a)
increases steadily as we go to heavier elements.
b)
decreases steadily as we go to heavier elements
c)
is approximately constant throughout the periodic table, except for very light nuclei.
d)
has a maximum near iron in the periodic table.
4.
4. When an alpha particle is emitted from an unstable nucleus, the atomic mass number of the nucleus
a)
increases by 2
b)
decreases by 2.
c)
increases by 4.
d)
decreases by 4
5.
5. In radioactive dating, carbon-14 is often used. This nucleus emits a single beta particle when it decays. When this happens, the resulting nucleus is
a)
still carbon-14.
b)
boron-14
c)
nitrogen-14.
d)
carbon-15.
6.
6. In all three types of radioactive decay, what value is conserved in addition to electric charge, energy, and momentum?
a)
atomic number
b)
neutron number
c)
nucleon number
d)
none of the given answers
7.
7. A proton is an example of
a)
a lepton.
b)
a meson.
c)
a baryon.
d)
a gauge boson.
8.
8. What happens to the cyclotron frequency of a charged particle if its speed doubles?
a)
It triples.
b)
It doubles.
c)
It halves
d)
It does not change.
9.
9. Hadrons are divided into two subgroups called
a)
baryons and leptons.
b)
leptons and mesons.
c)
mesons and baryons.
d)
nucleons and gauge bosons.
10.
10. A quark is
a)
a constituent of a nucleon.
b)
a constituent of a hadron
c)
an elementary particle.
d)
all of the given answers
Reset
