MCQOPTIONS
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MCQOPTIONS
This section includes 18 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. |
What is the ration of the force of attraction between two bodies kept in the air and the same distance apart in the water? |
| A. | 2:1 |
| B. | 1:2 |
| C. | 1:1 |
| D. | 2:4 |
| Answer» D. 2:4 | |
| 2. |
G is called gravitation constant. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 3. |
A ball dropped from a spacecraft is revolving around the earth at a height of 120km. What will happen to the ball? |
| A. | It will fall down to the earth gradually |
| B. | It will go very far in the space |
| C. | It will continue to move with the same speed along the original orbit of the spacecraft |
| D. | It will move with the same speed, tangentially to the spacecraft |
| Answer» D. It will move with the same speed, tangentially to the spacecraft | |
| 4. |
Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in its size. If the acceleration due to gravity on the surface of the earth is g and that on the surface of the new planet g‘ is? |
| A. | g‘=g/9 |
| B. | g‘=27g |
| C. | g‘=9g |
| D. | g‘=3g |
| Answer» E. | |
| 5. |
Statement 1 – If a pendulum falls freely, then its time period is infinite.Statement 2 – Free falling body has acceleration equal to g. |
| 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 | |
| 6. |
Statement 1 – The earth is slowing down and as a result, the moon is coming nearer to it.Statement 2 – The angular momentum of the system is not conserved. |
| 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» E. | |
| 7. |
If the kinetic energy of the satellite revolving in an orbit close to the earth’s surface happens to be doubled, what happens to the satellite? |
| A. | It revolves faster |
| B. | It revolves slower |
| C. | It remains unaltered |
| D. | It escapes |
| Answer» E. | |
| 8. |
Calculate the force of attraction between two balls each of mass 1kg when their centres are 10cm apart. The value of gravitational constant G = 6.67×10-11 Nm2 kg(-2). |
| A. | 6.67×10-11N |
| B. | 6.67×10-10N |
| C. | 6.67N |
| D. | 6.67×1010 N |
| Answer» C. 6.67N | |
| 9. |
A_BALL_DROPPED_FROM_A_SPACECRAFT_IS_REVOLVING_AROUND_THE_EARTH_AT_A_HEIGHT_OF_120KM._WHAT_WILL_HAPPEN_TO_THE_BALL??$ |
| A. | It will fall down to the earth gradually |
| B. | It will go very far in the space |
| C. | It will continue to move with the same speed along the original orbit of the spacecraft |
| D. | It will move with the same speed, tangentially to the spacecraft |
| Answer» D. It will move with the same speed, tangentially to the spacecraft | |
| 10. |
What is the ration of the force of attraction between two bodies kept in the air and the same distance apart in water?$ |
| A. | 2:1 |
| B. | 1:2 |
| C. | 1:1 |
| D. | 2:4 |
| Answer» D. 2:4 | |
| 11. |
G is called gravitation constant. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 12. |
Imagine a new planet having the same density as that of earth but it is 3 times bigger than the earth in its size. If the acceleration due to gravity on the surface of the earth is g and that on the surface of the new planet is g‘, the?# |
| A. | g<sup>‘</sup>=g/9 |
| B. | g<sup>‘</sup>=27g |
| C. | g<sup>‘</sup>=9g |
| D. | g<sup>‘</sup>=3g |
| Answer» E. | |
| 13. |
Statement 1- If a pendulum falls freely, then its time period is infinite |
| A. | |
| B. | Statement 1 and statement 2 are correct and statement 2 is the correct explanation of statement 1 |
| C. | Statement 1 and statement 2 are correct but statement 2 is not the correct explanation of statement 1 |
| Answer» C. Statement 1 and statement 2 are correct but statement 2 is not the correct explanation of statement 1 | |
| 14. |
A spring balance is suspended from inside an artificial satellite revolving around the earth. If a body of mass 1kg is suspended from it, what would be its reading? |
| A. | 1 |
| B. | 2 |
| C. | Depends on the mass of the satellite |
| D. | 0 |
| Answer» E. | |
| 15. |
The escape velocity in earth is 11.2km/s. What will be its value on a planet whose radius is double the radius of the earth and eight times the mass of the earth? |
| A. | 22.2km/s |
| B. | 22.4km/s |
| C. | 12km/s |
| D. | 24.2km/s |
| Answer» C. 12km/s | |
| 16. |
If the kinetic energy of the satellite revolving in an orbit close to the earth’s surface happens to be doubled, what happens to the satellite?$ |
| A. | It revolves faster |
| B. | It revolves slower |
| C. | It remains unaltered |
| D. | It escapes |
| Answer» E. | |
| 17. |
Calculate the force of attraction between two balls each of mass 1kg when their centres are 10cm apart. The value of gravitational constant G = 6.67√ó10-11 Nm2 kg(-2).$ |
| A. | 6.67√ó10<sup>-11</sup>N |
| B. | 6.67√ó10<sup>-10</sup>N |
| C. | 6.67N |
| D. | 6.67√ó10<sup>10</sup> N |
| Answer» C. 6.67N | |
| 18. |
Assuming the earth to be a sphere of uniform mass density, how much would a body weigh half way down to the centre of the earth if it weighed 250N on the surface? |
| A. | 125N |
| B. | 250N |
| C. | 0N |
| D. | 125N |
| Answer» B. 250N | |