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Sub-Atomic Particles

Control rods ...

Question

Control rods of calcium or boron are inserted into the nuclear reactor:

A

to absorb neutrons

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B

to absorb gamma particles

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C

as coolants

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D

to induce the nuclear fission

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Solution

The correct option is A to absorb neutrons
Control rods of graphite, cadmium, berylium, calcium or boron are inserted into the nuclear reactor to absorb neutrons.
They are used to control the chain reaction.

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