Nuclear Energy
Nuclear Energy: Overview
This topic deals with the concept of nuclear energy. It explains the phenomenon of nuclear fission and fusion in detail with examples. The process of controlled thermonuclear fusion is also described here.
Important Questions on Nuclear Energy
What type of nuclei is (preferably) needed for slowing down fast neutrons?

If the nucleons of a nucleus are separated far apart from each other, the sum of masses of all these nucleons is larger than the mass of the nucleus.
Calculate the energy released if nucleus emits an particle.
Given:
Atomic mass of
Atomic mass of
Atomic mass of alpha-particle

Can uncontrolled chain reaction can be controlled? explain.

What is the underlying principle of the atomic bomb in respect of nuclear energy.

What is the proton-proton chain reaction? Describe this process.

The _____ is an example of endoergic nuclear reaction.


When the energy value Q is positive, the reaction is positive.

When the energy value Q is positive, the reaction is_____



The explosion of hydrogen bomb is based on the principle of:

The average energy released in each fusion reaction is about _____ .
(Two decimals should be there in the answer.)

Which of the following is/are correct?
i. Chain reaction takes place in a nuclear reactor and an atomic bomb.
ii. The chain reaction in a nuclear reactor is controlled.
iii. The chain reaction in a nuclear reactor is not controlled.
iv. No chain reaction takes place in an atom bomb.

Proton - Proton chain reaction is an example of nuclear _____.



The primary purpose of the coolant in a nuclear reactor is to reduce the danger of overheating the structure of the reactor.

If of energy is released in the fission of one nucleus of , the number of nuclei that must undergo fission to release an energy of is

How is a nuclear chain reaction controlled in a nuclear reactor?
