___________ is a process where an unstable nucleus becomes a more stable nucleus by emitting radioactive radiation
nuclear physics

Quiz
•
Physics
•
10th Grade - University
•
Medium
Muhammad Azeerin
Used 174+ times
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
radioactive decay
half-life
nuclear fission
nuclear fusion
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which of the following is NOT in type of radioactive radiation?
X-ray
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Thorium-232 decays and emits gamma ray. which of the following is true about gamma ray?
I. Gamma ray is type of electromagnetic wave
II. Gamma ray is neutral
III. Gamma ray does not have energy
I. and II.
I. and III.
II. and III.
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nuclear power stations are built near the sea because _______
of the cooler surroundings
water is used as a nuclear fuel
a lot of water is used as coolant for the reactors
more electricity can be generated
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Radioactive material X has a half-life of 5 days. What is the number of days taken for the activity of X to reduce to 12.5% of its initial activity?
5 days
10 days
15 days
20 days
6.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
A sample of radioactive material has an initial activity of 240 s-1 . If its half-life is 30 minutes, how much is its activity after 2 hours?
15 s-1
30 s-1
60 s-1
120 s-1
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Nuclear energy is energy released from a ______ during nuclear reactions
fast-moving proton
fast-moving neutron
fast-moving electron
nucleus
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