MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A neutron can cause fission in which of the following? |
| A. | Hydrogen |
| B. | Uranium-235 |
| C. | Thorium |
| D. | Uranium-238 |
| Answer» C. Thorium | |
| 2. |
The operation of a nuclear reactor is said to be critical if the multiplication factor (k) has a value of what? |
| A. | 1 |
| B. | 0 |
| C. | 1.5 |
| D. | 2.1 |
| Answer» B. 0 | |
| 3. |
In nuclear reactors, what are the controlling rods made of? |
| A. | Cadmium |
| B. | Graphite |
| C. | Stainless steel |
| D. | Plutonium |
| Answer» B. Graphite | |
| 4. |
Which of the following is used as a moderator in a nuclear reactor? |
| A. | Cadmium |
| B. | Plutonium |
| C. | Uranium |
| D. | Heavy water |
| Answer» E. | |
| 5. |
Solar energy is mainly caused due to fission of uranium present in the sun. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Nuclear fission is possible in which of the following cases? |
| A. | Only between light nuclei |
| B. | Only between heavy nuclei |
| C. | Between both light and heavy nuclei |
| D. | Only between nuclei, which are stable against decay |
| Answer» B. Only between heavy nuclei | |
| 7. |
In a nuclear reaction, there is the conservation of which of the following? |
| A. | Mass only |
| B. | Energy only |
| C. | Momentum only |
| D. | Mass, energy, and momentum |
| Answer» E. | |
| 8. |
What amount of energy is released by deuterium and tritium fusion? |
| A. | 60.6 eV |
| B. | 12.6 eV |
| C. | 17.6 eV |
| D. | 28.33 eV |
| Answer» D. 28.33 eV | |
| 9. |
What is the reaction responsible for the production of light energy from the sun? |
| A. | Fusion |
| B. | Fission |
| C. | Nuclear |
| D. | Emission |
| Answer» B. Fission | |
| 10. |
Which of the following is an essential requirement for initiating the fusion reaction? |
| A. | Critical mass |
| B. | Thermal neutrons |
| C. | High temperature |
| D. | Critical temperature |
| Answer» D. Critical temperature | |