Question 1. Which is not used as atomic fuel?
Question 2. Which of the following is used in the preparation of Nuclear bombs?
Question 3. The principle of atomic bomb is based on_______.
(A) Above none
(B) Above both
(C) Nuclear fission
(D) Nuclear fusion
Question 4. The working principle of atom bomb is nuclear fission of uranium and the working principle of hydrogen bomb is_______.
(A) Explosion involving dynamite and T.N.T.
(B) Explosion of bomb involving hydrogen gas
(C) Nuclear fission of thorium
(D) Nuclear fusion of deuterium
Question 5. Hydrogen bomb is based on the principle of________.
(A) Uncontrolled fission reaction
(B) Controlled fission reaction
(C) Uncontrolled fusion reaction
(D) Controlled fusion reaction
Question 6. Hydrogen bomb was developed by_________.
(A) Samual Cohen
(B) J. Robert Opan Heemar
(C) Bernor Bon Bron
(D) Edward Teller
Question 7. Enriched Uranium is_______.
(A) Chromium coated uranium sticks
(B) Mixture of natural uranium and thorium
(C) Natural uranium in which radioactive U235 isotope is increased artificially
(D) Uranium sticks laid in particular shell
Question 8. The ultimate product of radioactive disintegration of uranium is_______.
Question 9. A radioactive substance has a halflife of four months. Three-fourth of the substance would decay in_______.
(A) 12 months
(B) 8 months
(C) 4 months
(D) 3 months
Question 10. The half-life of a radioactive element is 5 years, then the fraction of the radioactive substance that remains after 20 years is_______.
Question 11. What are the links between Dhruva, Purnima and Cirus?
(A) They are power plants
(B) There are names of famous books
(C) They are stars
(D) They are Indian research reactors
Question 12. Which fuel is used by Nuclear reactors in India?
Question 13. Kalpakkam is famous______.
(A) Due to space centre
(B) Due to rocket launching centre
(C) Due to defence laboratory
(D) Due to nuclear power plant
Question 14. Heavy water is manufactured in India at_______.
Question 15. Which one of the following is not correctly matched?
(A) Saha Institute of Nuclear Physics – Kolkata
(B) Harishchandra Research Institute – Chennai
(C)Atomic Minerals Directorate for Exploration and Research Hyderabad
(D) Indira Gandhi Centre for Atomic Research – Kalpakkam
Question 16. The Indira Gandhi Atomic Research Centre is located in________.
(B) Uttar Pradesh
(C) Tamil Nadu
Question 17. Who is present director of ‘BARC’?
(A) Dr. Ramanna
(B) G. Madhavan Nayar
(C) R.K. Sinha
(D) Satish Dhawan
Question 18. India’s first atomic power station is_________.
(B) Narora Atomic Power Station
(C) Tarapur Atomic Power Station
(D)None of the above
Question 19. Which one of the following is India’s first nuclear plant?
Question 20. What happens if the control rods are not used in a nuclear reactor?
(A) The reactor will continue to work as it is
(B) The reactor will be slow to act
(C) Chain process would go out of bounds
(D) The reactor will stop working
Question 21. Radioactive substance emits______.
(A) Alpha rays
(B) Gamma rays
(C) Beta rays
(D) All of these
Question 22. Which metal can be used for producing electricity?
Question 23. Which Uranium isotope is used in nuclear power plants to produce electricity?
Question 24. Which one of the following is not radioactive?
Question 25. The half-life of a radioactive substance is 10 days; it means there will be_______.
(A) Decay of 1/4 part of substance in 5 days
(B) Decay of 3/4 part of substance in 20 days
(C) Complete decay of substance in 40 days
(D) Complete decay of substance in 20 days