1000+ Physics Questions and Answers Pdf - 1
Question: 1
What is nuclear fission?
The process of breaking up of the nucleus of a heavy atom into two nearly equal fragments with the release of a large amount of energy is known as nuclear fission.
Question: 2
What is nuclear fusion?
The process of combining two or more lighter nuclei to form a heavier and stable nucleus with the release of large amount of energy is known as nuclear fusion.
Question: 3
What is radio activity?
The phenomenon of spontaneous emission of highly penetrating radiations by heavy elements is called radio activity.
Question: 4
What is thermo nuclear reaction?
The very high temperature released during nuclear fusion reaction is known as thermo nuclear reaction.
Question: 5
What is a coolant?
A material used to absorb the heat generated in chain reaction is called coolant. Example heavy water, liquid, sodium.
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