Which product of the nuclear fission of uranium-235 is utilized to cause further fission of its nuclei?

One atomic mass unit (u) is equivalent to an energy of :

Which of the following is ultimately not derived from the sun's energy (or solar energy)?

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 ?

Write Einstein's mass-energy equation. Give the meaning of each symbol which occurs in it.

In the nuclear reactor of a power plant:

(a) How do control rods control the rate of fission?

(b) How is heat removed from the reactor core, and what use is made of this heat?

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