Lesson 4.4.4.2
4.4.4.2 Nuclear fusion Quiz: AQA Physics, Unit 4
20 questions
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Lesson 4.4.4.2, Nuclear fusion: 20 multiple choice questions for the AQA GCSE Physics (8463), Unit 4: Atomic structure, written with Revision Ninja.
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The 20 questions
-
What happens during a nuclear fusion reaction?
- Nuclei split apart
- Nuclei join together
- Electrons are lost
- Neutrons decay
-
During nuclear fusion, what can happen to some of the total mass?
- Destroyed permanently
- Converted into radiation energy
- Lost as static friction
- Converted into electric charge
-
Which pair of nuclei is an example of light nuclei that could be used in fusion?
- Radium and thorium
- Lead and bismuth
- Hydrogen isotopes
- Uranium and plutonium
-
Which process involves a nucleus splitting into two smaller nuclei?
- Ionisation
- Radioactive decay
- Nuclear fission
- Nuclear fusion
-
How does the total mass of products compare to reactants in fusion?
- Double the mass
- Exactly equal mass
- Slightly less mass
- Slightly more mass
-
What is produced when two light nuclei join together during nuclear fusion?
- Alpha particle
- Lighter nucleus
- Neutron beam
- Heavier nucleus
-
What process describes two light nuclei joining to form a heavier nucleus?
- Nuclear fusion
- Alpha decay
- Beta decay
- Nuclear fission
-
The energy released by fusion is in the form of:
- Radiation
- Neutrons only
- Electrons only
- Alpha particles only
-
Two hydrogen nuclei join to form a helium nucleus. This is an example of:
- Fission
- Fusion
- Beta decay
- Alpha decay
-
What is produced as the main product of a nuclear fusion reaction?
- A heavier nucleus
- Only free neutrons
- Only alpha particles
- A lighter nucleus
-
Which process generates energy inside the Sun?
- Radioactive decay
- Chemical combustion
- Nuclear fusion
- Nuclear fission
-
Which of these processes both involve the nucleus changing?
- Fission and fusion
- Ionisation and evaporation
- Freezing and melting
- Reflection and refraction
-
What type of nuclei are required to start a nuclear fusion reaction?
- Unstable atoms
- Heavy nuclei
- Radioactive isotopes
- Light nuclei
-
Which process is used in commercial nuclear power stations?
- Nuclear fusion
- Alpha emission
- Nuclear fission
- Radioactive decay
-
Which nuclear process produces a heavier nucleus from two lighter ones?
- Beta decay
- Fission
- Fusion
- Alpha decay
-
Which definition correctly describes nuclear fusion?
- Splitting heavy nuclei
- Joining light nuclei
- Absorbing free neutrons
- Decaying alpha particles
-
What is a common feature of both nuclear fission and nuclear fusion?
- Both release energy
- Both require high pressure
- Both split heavy nuclei
- Both occur spontaneously
-
What happens during nuclear fusion reactions in stars?
- Electrons transfer
- Light nuclei join
- Heavy nuclei split
- Atoms chemically bond
-
What must be overcome for two nuclei to undergo fusion?
- Gravitational attraction
- Nuclear friction
- Magnetic attraction
- Electrostatic repulsion
-
Two hydrogen-2 nuclei, each with mass number 2, fuse to form one helium-4 nucleus. What is the mass number of the helium-4 nucleus?
- 4
- 5
- 2
- 3
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