MCQOPTIONS
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MCQOPTIONS
This section includes 2 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. |
Assertion: When a glass of hot milk placed in a room is allowed to cool, its entropy decreases. |
| A. | Reason: Allowing the hot object to cool does not violate the second law of thermodynamics. |
| 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 the correct explanation of the assertion |
| D. | Assertion is 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 the correct explanation of the assertion | |
| 2. |
Calculate the work done if temperature is changes from 0°C to 200°C at one atmosphere. |
| A. | 100 cal |
| B. | 200 cal |
| C. | 400 cal |
| D. | 800 cal |
| Answer» D. 800 cal | |