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Nuclear Fusion and Radioactive Decay Concepts

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Nuclear Fusion and Radioactive Decay Concepts

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Questions and Answers

What process powers the sun and other stars?

Radioactive decay

Nuclear fission

Nuclear fusion (correct)

Half-life decay

Which characteristic is described by the concept of half-life in radioactive decay?

The rate at which a nucleus loses energy

The time for half of a sample to undergo decay (correct)

The energy released during nuclear fusion

The time taken for complete decay of a substance

What is the process in which a heavy atomic nucleus splits into lighter nuclei?

Radioactive decay

Half-life decay

Nuclear fusion

Nuclear fission (correct)

Which type of energy is required to disassemble a nucleus into its protons and neutrons?

Binding energy Signup and view all the answers

What is the main application of nuclear fission reactions?

Generating electricity in power plants Signup and view all the answers

Which process involves emitting radiation as an atomic nucleus loses energy?

Radioactive decay Signup and view all the answers

What is the primary purpose of nuclear reactors?

To generate electrical power Signup and view all the answers

Why is the strong nuclear force important in atomic nuclei?

To prevent the nucleus from disintegrating Signup and view all the answers

What makes neutron stars incredibly dense?

High binding energy per nucleon Signup and view all the answers

What differentiates isotopes from each other?

Number of neutrons Signup and view all the answers

How does a neutron star form?

After a supernova explosion Signup and view all the answers

What role do nuclear fission reactions play in nuclear reactors?

Create steam for turbines Signup and view all the answers