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Physics
Among the following which is used to control the rate of reaction in nuclear fission reactions?
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Q. Among the following which is used to control the rate of reaction in nuclear fission reactions?
AIIMS
AIIMS 2011
Nuclei
A
Water
2%
B
Heavy water
16%
C
Cadmium
73%
D
Graphite
9%
Solution:
In nuclear reactor, to control the chain reaction from becoming violent, rods of boron or cadmium called control rods are inserted in the holes of reactor core.