nuclear reactor

(a) What is a nuclear reactor? What is the fuel used in a nuclear reactor? (b) What type of nuclear reaction is carried out in a nuclear reactor? (c ) How is the working nuclear reactor of a power plant shut down in an emergency? (d) Name five places in India where nuclear power plants are located.

Consider the following statements : 1. The chain reaction process is used in nuclear bombs to release a vast amount of energy, but in nuclear reactors, there is no chain reaction. 2. In a nuclear reactor, the reaction is controlled, while in nuclear bombs, the reaction is uncontrolled. 3. In a nuclear reactor, all operating reactors are 'critical', while there is no question of 'criticality' in case of a nuclear bomb. 4. Nuclear reactors do not use moderators, while nuclear bombs use them. Which of the above statements about operational principles of a nuclear reactor and a nuclear bomb is/are correct?

(a) What is a nuclear reactor ? What is the fuel used in a nuclear reactor ? (b) With the help of a labelled diagram, describe the working of a nuclear power plant. (c ) How is the working nuclear reactor of a power plant shut down in an emergency ? (d) Name five places in India where nuclear power plants are located.

Nuclear Fission||Reactor||Fusion