Controlled and Uncontrolled Nuclear Reaction

Q.

Which of the following options are correct regarding controlling the rate of nuclear reaction?

1. A smaller size of fuel will have controlled rate of nuclear fission reaction.

2. Controlling the energy of neutrons affects the rate of nuclear fission reaction.

3. A larger size of fuel has less probability of a self-sustained chain reaction.

4. The constituents of the nuclear fuel determine the rate of the chain reaction.

Q. A nuclear bomb is based on uncontrolled chain reaction.

1. False
2. True

Q. reaction is performed in nuclear power plants to produce electricity.

1. Nuclear fusion
2. Nuclear fission
3. Radioactive decay

Q.

On an average how many neutrons are emitted in the fission reaction of U-235?

1. 13.4

2. 2.4

3. 40

4. 25

Q.

The energy released from nuclear fission is used to -

1. produce steam.

2. produce another nuclear fission reaction.

3. generate electricity.

4. produce neutrons for the production of radioisotopes.

Q.

The energy released from nuclear fission is used to -

1. produce steam.

2. produce another nuclear fission reaction.

3. generate electricity.

4. produce neutrons for the production of radioisotopes.

Q.

Which of the following options are correct regarding controlling the rate of nuclear reaction?

1. A smaller size of fuel will have controlled rate of nuclear fission reaction.

2. Controlling the energy of neutrons affects the rate of nuclear fission reaction.

3. A larger size of fuel has less probability of a self-sustained chain reaction.

4. The constituents of the nuclear fuel determine the rate of the chain reaction.

Q.

On an average how many neutrons are emitted in the fission reaction of U-235?

1. 25

2. 13.4

3. 2.4

4. 40

Q. A nuclear bomb is based on uncontrolled chain reaction.

1. False
2. True

Q. reaction is performed in nuclear power plants to produce electricity.

1. Nuclear fusion
2. Nuclear fission
3. Radioactive decay