The material used to slow neutrons in a reactor is called

Assertion: Heavy water is used to slow down neutron in nuclear reactor. Reason: It does not react with slow speed neutron and mass of deuterium is comparable to the neutron

The velocity of neutrons in nuclear reactor is slowed down by

Which material is used as a neutron moderator-

Name the material used as 'control rods' in a nuclear reactor.

Hydrogenic materials are used as moderators in nuclear reactors to slow doen the neutrons. Why ?

Name the absorbing material used to control the reaction rate of neutrons in a nuclear reactor.