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MCQ on Nuclear Physics

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Nuclear physics is one of the important topics in the science and technology section of general science. Nuclear technology is a part of current affairs also which gives this section an edge over the other sections. Aspirants have to consider this section and revise it regularly so that they will be able to attempt a good number of questions from this section.

Important MCQ on Nuclear Physics for SSC:

Que 1. The energy of the sun is released due to which of the given reasons?
(a) Nuclear fission
(b) Reduction
(c) Oxidation
(d) Nuclear fusion

Ans. (d) Nuclear fusion
Explanation: The energy of the sun is released due to nuclear fusion.
 

Que 2. What is the source of electrical energy in artificial satellites?
(a) Solar cells
(b) Thermopile
(c) Dynamo
(d) Nuclear fusion

Ans. (a) Solar cells
Explanation: The source of electrical energy in artificial satellites is solar cells.
 

Que 3. Which of the given is the source of renewable energy in stars?
(a) Helium changes to oxygen
(b) Helium changes to hydrogen
(c) Hydrogen changes to helium
(d) Hydrogen changes to oxygen

Ans. (c) Hydrogen changes to helium
Explanation: The source of renewable energy in stars is due to hydrogen changes to helium.
 

Que 4. Cyclotrons are used to accelerate which of the given below?
(a) Atoms
(b) Protons
(c) Neutrons
(d) Electrons

Ans. (b) Protons
Explanation: Cyclotrons are used to accelerate protons.
 

Que 5. Which of the given options has the highest energy?
(a) Infra-red
(b) Visible
(c) Ultra-violet
(d) X-rays

Ans. (d) X-rays
Explanation:  X-rays have the highest energy than infrared, visible light, and ultraviolet.
 

Que 6. Which of the given elements is radioactive?
(a) Uranium
(b) Aluminum
(c) Magnesium
(d) Cobalt

Ans. (a) Uranium
Explanation: Uranium is a radioactive element.

Que 7. Which of the elements in the given options are found in India in huge quantity?
(a) Uranium
(b) Plutonium
(c) Thorium
(d) Radium

Ans. (c) Thorium
Explanation: Thorium is found in India in huge quantities. Andhra Pradesh has around 35% of Thorium reserves.

Que 8. Which of the given materials are used to make atomic bombs?
(a) Silicon
(b) Vanadium 
(c) Thorium
(d) Plutonium

Ans. (d) Plutonium
Explanation: Plutonium is used to make atomic bombs.
 

Que 9. The principle of the atomic bomb is based on which of the given options?
(a) Nuclear fusion
(b) Nuclear fission
(c) Radiation
(d) None of these

Ans. (b) Nuclear fission
Explanation: The principle of the atomic bomb is based on nuclear fission.

Que 10. Who among the following has developed a Hydrogen bomb?
(a) Bernor Bon Bron
(b) Samual Cohen
(c) Edward Taylor
(d) A.P.J Abdul Kalam

Ans. (c) Edward Taylor
Explanation: Edward Taylor developed a Hydrogen bomb.
 

Que 11. Hydrogen bomb work on the principle of which the following options?
(a) Controlled fusion reaction
(b) Uncontrolled fusion reaction
(c) Controlled fission reaction
(d) Uncontrolled fission reaction

Ans. (b) Uncontrolled fusion reaction
Explanation: The hydrogen bomb work on the principle of uncontrolled fusion reaction.
 

Que 12.  What is the ultimate product formed from the radioactive disintegration of uranium?
(a) Iron
(b) Radium
(c) Thorium
(d) Lead

Ans. (b) Radium
Explanation: The ultimate product formed from the radioactive disintegration of uranium is Radium.
 

Que 13. Which of the given fuels is used in nuclear reactors in India?
(a) Uranium-238
(b) Uranium-340
(c) Uranium- 270
(d) Uranium-500

Ans. (a) Uranium-238
Explanation: Uranium-238 is used as a fuel in nuclear reactors in India.
 

Que 14. Kalpakkam is famous for which of the given reasons?
(a) Due to space center
(b) Due to the huge reservoir
(c) Due to rocket launching station
(d) Due to nuclear power plant

Ans. (d) Due to nuclear power plant
Explanation: Kalpakkam is famous for its nuclear power plant.
 

Que 15. The Indira Gandhi Atomic Research Center is located in which of the following places?
(a) Karnataka
(b) Maharashtra
(c) Tamil Nadu
(d) Goa

Ans. (c) Tamil Nadu
Explanation: The Indira Gandhi Atomic Research Center is located in Tamil Nadu.
 

Que 16. Which of the given options was the first nuclear power plant in India?
(a) Narora
(b) Tarapur
(c) Kalpakkam
(d) Kota

Ans. (b) Tarapur
Explanation: Tarapur was the first nuclear power plant in India.
 

Que 17. Which of the given isotopes of uranium are used in nuclear power plants for power generation?
(a) Uranium-235
(b) Plutonium-235
(c) Thorium-235
(d) Uranium-240

Ans. (a) Uranium-235
Explanation: Uranium-235 is used in nuclear power plants for power generation.
 

Que 18. Which of the given elements are not radioactive?
(a) Tritium
(b) Francium
(c) Zirconium
(d) Uranium

Ans. (c) Zirconium
Explanation: Zirconium is not radioactive.
 

Que 19. Which of the given rays are emitted by radioactive substances?
(a) Alpha rays
(b) Beta rays
(c) Gamma rays
(d) All of the above

Ans. (d) All of the above
Explanation: The radioactive substance emit alpha, beta, and gamma rays.
 

Que 20. Which of the given is used as a moderator in nuclear power plants?
(a) Graphite
(b) Radium
(c) Normal water
(d) Thorium

Ans. (a) Graphite
Explanation: Graphite is used as a moderator in nuclear power plants

 



Last Updated : 26 Sep, 2022
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