Important Nuclear Physics MCQs for SSC MTS 2025: Preparing for SSC MTS 2025 requires a strong grasp of basic science topics, including nuclear physics. To help you excel in the General Awareness section, we have compiled a set of important multiple-choice questions (MCQs) based on nuclear reactions, atomic structure, and related discoveries.
These Important Nuclear Physics MCQs for SSC MTS 2025 Exam cover frequently asked topics in previous exams and are tailored for the upcoming SSC MTS 2025.
Important Nuclear Physics MCQs for SSC MTS 2025 Exam
Here are the MCQs:
1. What percentage of energy is converted into power during nuclear fission?
a) 10%
b) 0.01%
c) 0.1%
d) 1%
2. Which material is used to protect from nuclear radiation?
a) Copper
b) Lead
c) Platinum
d) Iron
3. In which unit is atomic mass expressed?
a) Tesla
b) Newton
c) Angstrom
d) Fermi
4. The working principle of solar cells is based on which of the following?
a) Pyrometer
b) Galvanometer
c) Greenhouse
d) Bolometer
5. Which among the following is the best nuclear fuel?
a) Plutonium-239
b) Thorium-236
c) Uranium-238
d) Neptunium-239
6. In nuclear fusion, the organized reaction is called—
a) Nuclear combination (fusion)
b) Nuclear division (fission)
c) Spallation
d) Nuclear collective building
7. Who invented the technology of ‘Underground Nuclear Explosion’?
a) Dr. Homi J. Bhabha
b) Dr. Vikram Sarabhai
c) Dr. Raja Ramanna
d) Dr. P.K. Iyengar
8. Who invented the hydrogen bomb?
a) Hermann von Helmholtz
b) J. Robert Oppenheimer
c) Edward Teller
d) Samuel Cohen
9. Who made the atom bomb?
a) Hermann von Helmholtz
b) J. Robert Oppenheimer
c) Edward Teller
d) Samuel Cohen
10. Which element determines the future of India’s nuclear power program?
a) Thorium
b) Uranium
c) Plutonium
d) Radium
11. Which natural radioactive particle will be selected to separate a neutron from the nucleus?
a) Alpha ray
b) Beta ray
c) Gamma ray
d) Microquasar
12. Which isotope can normally undergo nuclear fission?
a) ²³⁸U
b) ²³⁵U
c) ²³⁹NP
d) ⁴He
13. In nuclear fusion, cadmium rods are used for which purpose?
a) To increase the speed of neutrons
b) To reduce the speed of neutrons
c) To absorb neutrons
d) To produce neutrons
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14. In 1945, which fissile material was used in the bomb dropped on Nagasaki?
a) Uranium
b) Plutonium
c) Neptunium
d) None
15. In nuclear fusion, which isotope is used as fuel?
a) ²³⁵U
b) ²³⁸U
c) ²³³U
d) ²³⁹U
16. In nuclear fusion, which element among the following is used as moderator?
a) Plutonium
b) Iron
c) Graphite
d) Platinum
17. In which state of India did the first nuclear explosion incident occur?
a) Jammu & Kashmir
b) Nagaland
c) Manipur
d) Rajasthan
18. What is the function of moderator in nuclear fusion?
a) To increase neutron speed
b) To produce neutrons
c) To control neutron speed
d) To absorb neutrons
19. When two neutrons are divided from one ²³⁸U nucleus, what will be the result?
a) Tetron
b) Isotope
c) Isomer
d) Isobar
20. In the equation ³₁T + ³₂He + x → X, X is—
a) Electron
b) Deuteron
c) Neutron
d) Positron
21. If a proton moves at the speed of light, its mass will—
a) Remain unchanged
b) Increase but will be limited
c) Infinite
d) Zero
22. What is the difference between nuclear fusion and atomic bomb?
a) In nuclear fusion, pure fission reaction occurs, but not in atomic bomb.
b) Nuclear fusion’s pure fission reaction is controlled.
c) Nuclear fusion’s pure fission reaction is uncontrolled.
d) In atomic bombs, no pure fission reaction occurs, but in nuclear fusion, it does.
23. In nuclear fusion, what is heavy water used as?
a) Fuel
b) Coolant
c) Moderator
d) Atomic Smash
24. Which of the following is used as a nuclear fuel?
a) Coal
b) Uranium
c) Radium
d) Diesel
25. What is the code name of the atomic bomb dropped on Hiroshima?
a) Fat Man
b) Big Boy
c) Little Boy
d) Thin Boy
26. What is the function of heavy water in nuclear reactor?
a) To cool the reactor
b) To stop nuclear reaction
c) To reduce neutron speed
d) To increase neutron speed
27. What is graphite used for in nuclear fusion?
a) As lubricant
b) As flux rod
c) As control rod
d) For coating
28. What is the source of sun’s energy?
a) Nuclear fusion
b) Nuclear fission
c) Loss of matter
d) Light-heat reaction
29. How is the sun’s energy produced?
a) Fusion of hydrogen and helium atoms
b) Fission of hydrogen and helium atoms
c) Fission reaction of helium atoms
d) Chemical reaction of helium atoms
30. In nuclear fusion, which water is used and called?
a) Ordinary water
b) Heavy water
c) Nuclear water
d) Compressed water
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Answers to the Important Nuclear Physics MCQs for SSC MTS 2025 Exam
Here are the Answers:
- b) 0.01%
- b) Lead
- b) Newton
- a) Pyrometer
- a) Plutonium-239
- a) Nuclear combination (fusion)
- a) Dr. Homi J. Bhabha
- c) Edward Teller
- a) Hermann von Helmholtz
- a) Thorium
- a) Alpha ray
- b) ²³⁵U
- c) To absorb neutrons
- b) Plutonium
- a) ²³⁵U
- c) Graphite
- d) Rajasthan
- c) To control neutron speed
- d) Isobar
- c) Neutron
- b) Increase but will be limited
- b) Nuclear fusion’s pure fission reaction is controlled
- c) Moderator
- b) Uranium
- c) Little Boy
- c) To reduce neutron speed
- c) As control rod
- a) Nuclear fusion
- a) Fusion of hydrogen and helium atoms
- b) Heavy water
