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. |
Statement 1- The stars twinkle, while the planets do not.
|
| A. | Statement 1 and statement 2 are correct and statement 2 is the correct explanation of statement 1 |
| B. | Statement 1 and statement 2 are correct but statement 2 is not the correct explanation of statement 1 |
| C. | Statement 1 is true but statement 2 is false |
| D. | Both statement 1 and 2 are false |
| Answer» C. Statement 1 is true but statement 2 is false | |
| 2. |
A missile is launched with a velocity less than escape velocity. The sum of its kinetic energy and potential energy is ___________ |
| A. | Zero |
| B. | Positive |
| C. | Negative |
| D. | First positive and then negative |
| Answer» D. First positive and then negative | |
| 3. |
There is no atmosphere on the moon, because ___________ |
| A. | It is closer to the earth and also it has inactive inter gases in it |
| B. | It is too far from the sun and also it has very low pressure on its outer surface |
| C. | Escape velocity of gas molecules is greater than their root mean square velocity |
| D. | Escape velocity of gas molecules is less than their root mean square velocity |
| Answer» E. | |
| 4. |
At which part of the earth s surface, the value of g is largest? |
| A. | At the equator |
| B. | Immediately below the equator |
| C. | Immediately above the equator |
| D. | At the poles |
| Answer» E. | |
| 5. |
A gravitational law is also called ___________ |
| A. | Universal law |
| B. | Newton s law |
| C. | Constant law |
| D. | True law |
| Answer» B. Newton s law | |
| 6. |
If the radius of the earth decreases by 1% and its mass remains the same, then the acceleration due to gravity ___________ |
| A. | Increases by 1% |
| B. | Decreases by 1% |
| C. | Increases by 2% |
| D. | Decreases by 2% |
| Answer» D. Decreases by 2% | |
| 7. |
If suddenly the gravitational force of attraction between the earth and a satellite revolving around it becomes zero, then the satellite will ___________ |
| A. | Continue to move in its orbit with the same velocity |
| B. | Move tangentially to the original orbit with the same velocity |
| C. | Become stationary in its orbit |
| D. | Move towards the earth |
| Answer» C. Become stationary in its orbit | |