Which of the following statements about β+ decay is false?

An electron antineutrino is produced

What is the difference between α decay and nuclear fission?

2 or more individual neutrons are ejected in fission

What is the difference between a gamma-ray and an x-ray?

One is created in the nucleus of the atom

What is critical mass?

The minimum mass required to sustain a fisison reaction

What happens to the nucleus of an atom during γ decay?

It transitions from a high energy state to a lower one

The change in energy during a nuclear reaction is proportional to:

the change in mass during the reaction

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Test your nuclear knowledge

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A short quiz to test basic understanding of nuclear physics for grade 11 students

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Questions 10

Answers

1
Which of the following statements about β⁺ decay is false?
A positron is produced
A proton is converted into a neturon
An electron antineutrino is produced
An electron neutrino is produced
2
What is the mass number of an α particle?
6
8
4
2
3
What is the difference between α decay and nuclear fission?
alpha decay is spontaneous, fission must be induced
A gamma ray is produced during fission
2 or more individual neutrons are ejected in fission
two isotopes of lighter mass are created in fission
4
What is the difference between a gamma-ray and an x-ray?
One has more energy than the other
One is created in the nucleus of the atom
One has a greater penetrating depth than the other
One is created by β+ decay the other by β- decay
5
What is critical mass?
The minimum mass required for a nuclear reaction
The minimum mass required for a thermonuclear explosion
The minimum mass required to sustain a fisison reaction
The minimum mass required to sustain a fusion reaction
6
Electron capture has the same effect on the nucleus as which of the following reactions?
β+ decay
γ decay
β- decay
α decay
7
What kind of reaction is: ⁴₂He + ⁴₂He → ⁸₄Be + γ
Nuclear Fusion
γ Decay
Nuclear Fission
α Decay
8
What happens to the nucleus of an atom during γ decay?
It converts a neutron to a proton
It loses a proton
It transitions from a high energy state to a lower one
It converts a proton to a neutron
9
The change in energy during a nuclear reaction is proportional to:
the change in mass during the reaction
the mass of the products
the mass of the reactants
the ratio of the mass before and after the reaction
10
What is the ideal ratio of neutrons to protons in low atomic number elements?
3:2
1:1
<p>2:1</p>
2:3

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