MCQOPTIONS
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MCQOPTIONS
This section includes 7 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
CV of a gas is 8 calK-1mol-1. Find CP/CV. Assume R = 2 calK-1mol-1. |
| A. | 1.4 |
| B. | 1.33 |
| C. | 1.25 |
| D. | 1.8 |
| Answer» D. 1.8 | |
| 2. |
A closed container contains 0.6m3 of neon gas at 200K temperature and 1.3*105Pa. Find the rise in temperature when 8360 J of heat is supplied to it. The molar heat capacity of neon at constant volume is 3.2calK-1mol-1. Assume the container doesn’t expand on heating. |
| A. | 13.3K |
| B. | 15.8K |
| C. | 13.9K |
| D. | 15K |
| Answer» B. 15.8K | |
| 3. |
What is the relation between molar heat capacities of the two processes given in the diagram below? Assume process acb has a heat capacity of C1 and process adb has a heat capacity of C2. |
| A. | C1 > C2 |
| B. | C2 > C1 |
| C. | C1 = C2 |
| D. | C1 = C1/ Area inside curve |
| Answer» C. C1 = C2 | |
| 4. |
CP > CV always. True or False? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 5. |
Specific heat capacity depends on the mass of the substance. True or False? |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
Why is water used in automobiles as a coolant? |
| A. | It is not toxic for the environment |
| B. | It has a high specific heat capacity |
| C. | It has a high lubricating property which in turn keeps the engine cool by reducing friction |
| D. | It is available in abundance |
| Answer» C. It has a high lubricating property which in turn keeps the engine cool by reducing friction | |
| 7. |
If we supply equal amounts of heat to equal masses of two different substances, the rise in temperature will be the same for both. True or False? |
| A. | True |
| B. | False |
| Answer» C. | |