MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
What is Pascal’s Law? |
| A. | For every action, there is an equal and opposite reaction |
| B. | Force is the time rate of change of momentum |
| C. | For an ideal gas, the pressure is directly proportional to temperature and constant volume and mass |
| D. | A pressure change at any point in the fluid is transmitted throughout the fluid such that the same change occurs everywhere |
| Answer» E. | |
| 2. |
Pascal’s Law is valid only for _____ |
| A. | water |
| B. | metals |
| C. | fluids |
| D. | gases |
| Answer» D. gases | |
| 3. |
A force is applied on a cube of side 3m. Another force, double the magnitude of the previous force is applied on a cube of 1m. What is the ratio of pressure on the first cube (P) to the pressure on the second cube (P’)? |
| A. | 1/9 |
| B. | 18 |
| C. | 1/18 |
| D. | 1/2 |
| Answer» D. 1/2 | |
| 4. |
A force F is applied on a uniform rod of cross-section A and a force F’ is applied on a uniform rod of cross-section 3A. What is the relation between F and F’ if the pressure on both is the same? |
| A. | F/F’ = 1/3 |
| B. | F/F’ = 3 |
| C. | F’/F = 1/3 |
| D. | F/F’ = 1/9 |
| Answer» B. F/F’ = 3 | |