MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 4 Mcqs, each offering curated multiple-choice questions to sharpen your Engineering Physics Questions and Answers knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Surface the lake is at 2°C and depth of the lake is 20m. Find the temperature of the bottom of the lake? |
| A. | 2°C |
| B. | 3°C |
| C. | 4°C |
| D. | 552°C |
| Answer» E. | |
| 2. |
The average translational kinetic energy of O2 molecules (relative molar mass 32) at a particular temperature is 0.048eV. The translational kinetic energy of N2 molecules (relative molar mass) in eV at the same temperature is? |
| A. | 0.0015 |
| B. | 0.003 |
| C. | 0.048 |
| D. | 0.768 |
| Answer» D. 0.768 | |
| 3. |
A vessel contains one mole of O2 gas at a temperature T. The pressure of the gas is P. An identical vessel containing one hole of He gas at a temperature 2T has a pressure of? |
| A. | P/8 |
| B. | P |
| C. | 2P |
| D. | 8P |
| Answer» D. 8P | |
| 4. |
Assertion: In the pressure-temperature phase diagram of water, the slope of the melting curve is found to be negative. |
| A. | Reason: Ice contracts on melting to water. |
| B. | Both assertion and reason are true and the reason is the correct explanation of the assertion |
| C. | Both assertion and reason are true but the reason is not a correct explanation of the assertion |
| D. | Assertion it true but the reason is false |
| E. | Both assertion and reason are false |
| Answer» C. Both assertion and reason are true but the reason is not a correct explanation of the assertion | |