What is nuclear fission?

• The process of combining two light nuclei to form a heavier nucleus.

• The splitting of a heavy nucleus into two lighter nuclei.

• The release of energy by the formation of a nucleus from protons and neutrons.

• The process of a nucleus absorbing a neutron and becoming unstable.

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Which of the following is a common fuel used in nuclear fission reactors?

• Hydrogen

• Uranium-235

• Helium-4

• Deuterium

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What is nuclear fusion?

• The splitting of a heavy nucleus into two lighter nuclei.

• The process of a nucleus absorbing a neutron and becoming unstable.

• The process of combining two light nuclei to form a heavier nucleus.

• The release of energy by the formation of a nucleus from protons and neutrons.

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Which of the following conditions is necessary for nuclear fusion to occur?

• Low temperature and high pressure

• High temperature and low pressure

• High temperature and high pressure

• Low temperature and low pressure

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What is the primary effect of atomic bombs?

• Electromagnetic pulse generation

• Release of gamma rays

• Massive release of energy and destruction

• Creation of a black hole

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Which type of radioactive decay involves the emission of a helium nucleus?

• Beta decay

• Gamma decay

• Alpha decay

• Positron emission

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In beta decay, a neutron is transformed into a proton and which other particle is emitted?

• Alpha particle

• Beta particle

• Gamma ray

• Positron

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Which of the following releases the largest amount of energy?

• Alpha decay

• Beta decay

• Sigma decay

• Gamma decay

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What is the main safety concern with nuclear fission reactors?

• The potential for a runaway reaction leading to an explosion

• The immediate release of carbon dioxide into the atmosphere

• The high cost of reactor construction

• The difficulty in finding suitable locations for reactors

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What is a chain reaction in the context of nuclear fission?

• A series of chemical reactions that produce a stable element.

• A reaction where the product of one reaction initiates further reactions.

• A process where atoms are linked together to form a long chain.

• A reaction that can only occur in a linear sequence.

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