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Question

Why is a cadmium rod used as an absorbing material to control the reaction rate of neutrons in a nuclear reactor?


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Solution

Nuclear reactor:

  • Nuclear reactors are those reactors in which radioactive nuclei undergo nuclear reactions to produce a huge amount of energy.
  • Generally, Uranium undergoes nuclear fission in a nuclear reactor.

Control rod: Control rods are those rods that are used in the nuclear reactor to control the rate of nuclear fission without involving in the nuclear reaction.

Cadmium rod used in a nuclear reactor:

  • The cadmium rod has a large cross-section.
  • Cadmium control rods are used to regulate the reaction rate of nuclear fission or reactors in a nuclear reactor by absorbing neutrons.

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