Energy produced in the nuclear fission is of the order of __________ MeV.

In nuclear fission each neutron that causes fission releases

A

No new neutron

B

At least one new neutron

C

One new neutron

D

More than one new neutron

Critical energy should be __________ the neutron binding energy of the atom in order to initiate a nuclear fission.

A

less than

B

equal to

C

either more or less

D

more than

The sum of masses of two nuclei produced in nuclear fission compared to the mass of original nucleus is

A

Less

B

More

C

Same

D

Much more

Which of the following accounts for the maximum energy release in the nuclear fission process?

A

Kinetic energy of fission products

B

Radioactive decay of fission products

C

Instantaneous release of γ-rays

D

Kinetic energy of neutrons

Energy equivlant to one atomic mass unit (amu) is __________ MeV.

A

9.31

B

93.1

C

931

D

9310

Energy to be supplied to the radioactive nucleus for the emission of a neutron is __________ MeV.

A

0.8

B

7.8

C

200

D

10000

An element having large number of __________ is most easily subjected to nuclear fission.

A

Protons

B

Electrons

C

Neutrons

D

Nucleons

In nuclear fission

A

The original elements change into completely different elements

B

The electrons of the element change

C

The molecules rearrange themselves to form other molecules

D

None of the above

Which statement is not associated with nuclear fission?

A

Neutron-induced nuclear reaction

B

Energy generation in stars

C

Source of energy in nuclear reactor that produces electricity

D

Enormous energy is released in an atom bomb

The phenomenon of nuclear fission is opposite to that of

A

Radioactive decay

B

Thermionic emission

C

Nuclear fusion

D

Combustion

Energy produced in the nuclear fission is of the order of __________ MeV.

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