set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

Which of the following is used in the preparation of Nuclear bombs?

a) Molybedenum

b) Uranium

c) Zirconium

d) Vanadium

Question : 2

Hydrogen bomb was developed by

a) J. Robert Opan Heemar

b) Bernor Bon Bron

c) Edward Teller

d) Samual Cohen

Question : 3

A radioactive substance has a halflife of four months. Three-fourth of the substance would decay in

a) 8 months

b) 4 months

c) 3 months

d) 12 months

Question : 4

What happens if the control rods are not used in a nuclear reactor?

a) The reactor will be slow to act

b) Chain process would go out of bounds

c) The reactor will stop working

d) The reactor will continue to work as it is

Question : 5

Consider the following organizations.

1. Atomic Minerals Directorate for Research and Exploration
2. Heavy Water Board
3. Indian Rare Earths Limited
4. Uranium Corporation of India

a) 2, 3 and 4

b) 1 and 4

c) Only 1

d) 1, 2, 3 and 4

Question : 6

What are the links between Dhruva, Purnima and Cirus?

a) There are names of famous books

b) They are stars

c) They are Indian research reactors

d) They are power plants