Radioactivity Practice

Quiz
•
Physics
•
9th Grade
•
Medium
Kiki Nurhayati
Used 2+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main reason for the decrease in activity of a radioactive source over time?
The rate of emission detection decreases
The rate of emission detection increases
More unstable nuclei are produced
Unstable nuclei become stable through decay
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of radiation emitted has the strongest ionisation ability?
Proton
Gamma ray
Beta particle
Alpha particle
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the main effect of intense dose of radiation on cells?
The DNA is damaged and passed on to future generations
The cells die as if burned
The cells divide uncontrollably
The DNA is damaged and the cells become lighter
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the charge on a neutron?
2
1
0
-e
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which type of radiation can penetrate a thick sheet of lead or meters of concrete?
Proton
Alpha particle
Gamma ray
Beta particle
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the time taken for radioactivity to halve called?
Nuclear decay
Activity time
Half-life
Decay rate
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which isotope is used for sterilisation of equipment using gamma rays?
Uranium-235
Americium-238
Plutonium-238
Uranium-234
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