MCQOPTIONS
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MCQOPTIONS
This section includes 3 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. |
Statement 1: If ice caps of the pole melt, the day length will shorten. |
| A. | Statement 2: Ice flows towards the equator and decreases the moment of inertia of the earth and hence increases the frequency of rotation of the earth. |
| B. | Both statement 1 and 2 are true and statement2 is the correct explanation of statement 1 |
| C. | Both statement 1 and 2 are true but statement 2 is not the correct explanation of statement 1 |
| D. | Statement 1 is true but statement 2 is false |
| E. | Statement 1 and 2 are false |
| Answer» E. Statement 1 and 2 are false | |
| 2. |
Statement 1: The earth is slowing down and as a result, the moon is coming nearer to it. |
| A. | Statement 2: The angular momentum of the earth-moon system is not conserved. |
| B. | Both statement 1 and 2 are true and statement2 is the correct explanation of the statement1 |
| C. | Both statement 1 and 2 are true but statement 2 is not the correct explanation of the statement1 |
| D. | Statement 1 is true but statement 2 is false |
| E. | Statement 1 and 2 are false |
| Answer» E. Statement 1 and 2 are false | |
| 3. |
Two racing cars of masses m1 and m2 are moving in circles of radii r1 and r2 respectively. Their speeds are such that each makes a complete circle in the same time t. The ratio of the angular speeds of the first two to the second car will be ____________ |
| A. | 1:1 |
| B. | r1:r2 |
| C. | m1:m2 |
| D. | m1 m2:r1 r2 |
| Answer» B. r1:r2 | |