GK
NUCLEAR SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The waste remains radioactive for thousands of years.
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A small amount of uranium creates a lot of energy.
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Nuclear power plants use fusion.
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A chain reaction begins with an extra neutron.
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Detailed explanation-1: -Answer: Statement that is not true about nuclear energy generation is Option B: the nucleus of uranium is bombarded with high energy neutrons. Explanation: Nuclear energy is generated by splitting of uranium atoms.
Detailed explanation-2: -While fission is used in nuclear power reactors since it can be controlled, fusion is not yet utilized to produce power.
Detailed explanation-3: -Normally, fusion is not possible because the strongly repulsive electrostatic forces between the positively charged nuclei prevent them from getting close enough together to collide and for fusion to occur.
Detailed explanation-4: -Answer and Explanation: Answer: It occurs with very small atoms with low mass. Explanation: Nuclear fusion is the process in which lighter nuclei fuse together and produce a heavier nucleus.