Nuclear Physics
Practice Test
1.
Which decay does not result in transmutation?
a.
nuclear
b.
gamma
c.
beta
d.
alpha
Hint
2.
Why isn't the mass of argon (39.948 u) a whole number?
a.
There are partial neutrons.
b.
There are partial protons.
c.
The mass of the electrons must be considered.
d.
There are isotopes.
Hint
3.
According to Figure 30-4, what percentage of the original sample of a radioactive substance would be left after 10 half-lives?
a.
10%
b.
12.5%
c.
0.09%
d.
5%
Hint
4.
What powers particles through a linear accelerator?
a.
electric fields
b.
fire
c.
wind
d.
gasoline
Hint
5.
How much energy is released in a reaction that has a mass defect of 8.63×10
-4
u? (1 u = 931.49 MeV.)
a.
8.04×10
2
MeV
b.
9.26×10
2
MeV
c.
?8.04×10
-1
MeV
d.
9.26 × 10
7
MeV
Hint
6.
What causes a pulse of current to travel from a Geiger-Mueller tube?
a.
X rays
b.
neutrons ionizing gas
c.
a charged particle or a gamma ray ionizing gas
d.
atoms ionizing gas
Hint
