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. |
What is the force of gravity experienced by an object at the centre of the earth? (Assume that the earth is perfectly spherical) |
| A. | 0 g-force |
| B. | 1 g-force |
| C. | 9.81 g-force |
| D. | 10 g-force |
| Answer» B. 1 g-force | |
| 2. |
The universal law of gravitation becomes more inapplicable as the size and distance between objects decreases. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
Gravitational force is _____ |
| A. | an imaginary force |
| B. | a long-range force |
| C. | a short-range force |
| D. | the strongest fundamental force |
| Answer» C. a short-range force | |
| 4. |
Gravitational force is the strongest fundamental force. |
| A. | True |
| B. | False |
| Answer» C. | |
| 5. |
The weight of an object can be zero but the mass of an object can never be zero. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 6. |
The value of acceleration due to gravity of earth at the equator is less than that of the poles due to _____ |
| A. | shape and rotation of the earth |
| B. | mass of the sun |
| C. | mass of the earth |
| D. | mass of the moon |
| Answer» B. mass of the sun | |
| 7. |
What will be the value of acceleration due to gravity on the surface of the earth if the radius of the earth suddenly decreases to 60% of its present value, keeping the mass of the earth unchanged? |
| A. | 9.81 m/s2 |
| B. | 5.89 m/s2 |
| C. | 16.35 m/s2 |
| D. | 27.25 m/s2 |
| Answer» E. | |
| 8. |
Which scientist introduced the universal law of gravitation? |
| A. | Albert Einstein |
| B. | Isaac Newton |
| C. | Stephen Hawking |
| D. | Nikola Tesla |
| Answer» C. Stephen Hawking | |
| 9. |
What is the gravitational force experienced by an object of 10kg 200m away from an object weighing 1 ton? |
| A. | 1.6675 N |
| B. | 2.6675 N |
| C. | 3.6675 N |
| D. | 4.6675 N |
| Answer» B. 2.6675 N | |
| 10. |
For which of the following does the graph denote the variation of force of gravity “F” along a distance “r”? |
| A. | Solid sphere |
| B. | Spherical shell |
| C. | Plate |
| D. | Point |
| Answer» C. Plate | |