MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A shell explodes into four unequal parts. Which one of the following is conserved? |
| A. | Potential energy |
| B. | Kinetic energy |
| C. | Momentum |
| D. | Both potential and kinetic energy |
| Answer» D. Both potential and kinetic energy | |
| 2. |
Water falls from a height of 60m at the rate of 15kg.s to operate a turbine. The losses due to friction forces are 10% of energy. How much power is generated by the turbine? g=m/s2 |
| A. | 7kW |
| B. | 10.2kW |
| C. | 12.3kW |
| D. | 8.1kW |
| Answer» E. | |
| 3. |
Two bodies w of masses m and 4m are moving with equal kinetic energies. What is the ratio of their linear momenta? |
| A. | 1:2 |
| B. | 1:1 |
| C. | 4:1 |
| D. | 1:4 |
| Answer» B. 1:1 | |
| 4. |
A spring 40mm ling is stretched by the application of force. If 10N force is required to stretch the spring through 1mm, then the work done in stretching the spring through 40mm is? |
| A. | 23J |
| B. | 68J |
| C. | 84J |
| D. | 8J |
| Answer» E. | |
| 5. |
The internal torque on the system due to internal force is ___________ |
| A. | Increasing |
| B. | Decreasing |
| C. | Constant |
| D. | Zero |
| Answer» E. | |
| 6. |
The areal velocity of a planet is constant. This is stated by ___________ |
| A. | Newton s third law of motion |
| B. | Kepler s second law of planetary motion |
| C. | Fourier s law |
| D. | Kirchhoff s planetary law |
| Answer» C. Fourier s law | |
| 7. |
When we steer a bicycle round a bend with both our hands on the handlebars, we apply a ___________ |
| A. | Force |
| B. | Torque |
| C. | Couple |
| D. | Energy |
| Answer» D. Energy | |