
Nuclear Physics Quiz

Quiz
•
Physics
•
12th Grade
•
Hard
Betty Nagy
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the famous equation that represents the equivalence between energy and mass?
E = mc^2
E = 1/2 mv^2
F = ma
P = mv
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the term used to describe the minimum external energy required to completely separate all the neutrons and protons of a nucleus to infinity?
Binding energy
Half-life
Mass defect
Decay constant
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which element is the most stable according to the graph showing binding energy per nucleon vs. number of nucleons?
Iron
Uranium
Carbon
Helium
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the probability that an individual nucleus will decay per unit time interval called?
Decay constant
Binding energy
Activity
Half-life
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula used to calculate the activity of a radioactive sample?
A = λN
A = ΔN/Δt
A = N0e^-λt
A = -λN
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the time taken for half of the unstable nuclei to decay called?
Half-life
Nuclear time
Decay time
Stability time
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which formula represents the exponential nature of radioactive decay?
N = N0e^-λt
E = mc^2
R = R0e^-λt
A = λN
8.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a sample of uranium originally contained 109 radioisotopes and its decay constant is 4.9x10^-12s^-1, how many radioisotopes will be left after 3 billion years?
54
34
68
27
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