Differentiate between nuclear fission and nuclear fusion.

A nuclear power plant is working normally. What would you do it the reactor core suddenly got too hot?

A nuclear reaction is represented by the equation :

(a) Name the process represented by this equation and describe what happens during this reaction.

(b) Identify the particle c and the number x of such particles produced in the reaction.

(c) What does E represent?

(d) State two conditions under which such a reaction takes place.

(e) What type of nuclear bomb is based on similar reactions ?

The mass numbers of four elements A, B, C and Dare 2, 20, 135 and 235, respectively. Which one of them will be most suitable to make:

(i) an atom bomb, and

(ii) a hydrogen bomb?

Name one installation where such a process is utilized.

In the reactor of a nuclear power plant, name the material which is used :

(a) As a moderator

(b) To absorb radiations

(c) In the fuel rods

(d) In the control rods

(e) To carry away heat

Why are very high temperatures required for fusion to occur?

What are the advantages and disadvantages of using nuclear fuel for generating electricity ?

If 25 atomic mass units (u) of a radioactive material are destroyed in a nuclear reaction, how much energy is released in MeV?

What is common between the sun and a hydrogen bomb?

What will happen if slow moving neutrons are made to strike the atoms of a heavy element 23592U? What is the name of this process?