MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 26 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. |
Two persons are pulling the ends of a string in such a way that the string is stretched horizontally. When a weight of 10kg is suspended in the middle of the string the string does not remain horizontal. Can the persons make it horizontal again by pulling it with a greater force? |
| A. | Yes |
| B. | No |
| Answer» C. | |
| 2. |
Pressure is a vector. |
| A. | True |
| B. | False |
| Answer» C. | |
| 3. |
Find the magnitude of the centripetal acceleration of a particle on the tip of a fan blade, 0.30 metre in diameter, rotation at 1200 rev/minute |
| A. | 40 m/s2 |
| B. | 4737.6 m/s2 |
| C. | 245 m/s2 |
| D. | 20 m/s2 |
| Answer» C. 245 m/s2 | |
| 4. |
Calculate the angular speed of flywheel making 420 revolutions per minute. |
| A. | 42300 rad/sec |
| B. | 1200 rad/sec |
| C. | 10/4200 rad/sec |
| D. | 44 rad/sec |
| Answer» E. | |
| 5. |
In projectile motion, magnitude remains constant but the direction continuously changes. |
| A. | True |
| B. | False |
| Answer» C. | |
| 6. |
A circular motion is an accelerated motion. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 7. |
M0 L0 T(-1) is an example for ___________ |
| A. | Angular displacement |
| B. | Angular velocity |
| C. | Frequency |
| D. | Time period |
| Answer» C. Frequency | |
| 8. |
Motion of the tip of second hand of the clock is an example for ___________ |
| A. | Uniform circular motion |
| B. | Projectile motion |
| C. | Motion in a plane with uniform velocity |
| D. | Motion in a plane with constant acceleration |
| Answer» B. Projectile motion | |
| 9. |
A body is projected horizontally from the top of a cliff with a velocity of 9.8m/s. What time elapses before horizontal and vertical velocities become equal? Take g = 9.8m/s2 |
| A. | 9.8s |
| B. | 0s |
| C. | 10s |
| D. | 1s |
| Answer» E. | |
| 10. |
A ball is dropped downward from the roof of a building and simultaneously another ball is thrown in a horizontal direction, when will the balls reach the ground? |
| A. | Same time and same place |
| B. | The first ball will reach later than the second ball |
| C. | The second ball will reach later than the second ball |
| D. | Same time but different places |
| Answer» E. | |
| 11. |
An object thrown from an aeroplane is an example for ____________ |
| A. | Projectile motion |
| B. | Resolution of forces |
| C. | Composition of vectors |
| D. | Addition of vectors |
| Answer» B. Resolution of forces | |
| 12. |
A cyclist moves along a circular path of radius 70m. If he completes one round in 11s, calculate the total length of a path. |
| A. | 40m |
| B. | 440m |
| C. | 0m |
| D. | 11m |
| Answer» C. 0m | |
| 13. |
IN_PROJECTILE_MOTION,_MAGNITUDE_REMAINS_CONSTANT_BUT_THE_DIRECTION_CONTINUOUSLY_CHANGES.?$ |
| A. | True |
| B. | False |
| Answer» C. | |
| 14. |
Find the magnitude of the centripetal acceleration of a particle on the tip of a fan blade, 0.30 metre in diameter, rotation at 1200 rev/minute$ |
| A. | 40 m/s<sup>2</sup> |
| B. | 4737.6 m/s<sup>2</sup> |
| C. | 245 m/s<sup>2</sup> |
| D. | 20 m/s<sup>2</sup> |
| Answer» C. 245 m/s<sup>2</sup> | |
| 15. |
Calculate_the_angular_speed_of_flywheel_making_420_revolutions_per_minute. |
| A. | 42300 rad/sec |
| B. | 1200 rad/sec |
| C. | 10/4200 rad/sec |
| D. | 44 rad/sec |
| Answer» E. | |
| 16. |
Two persons are pulling the ends of a string in such a way that the string is stretched horizontally. When a weight of 10kg is suspended in the middle of the string the string does not remain horizontal. Can the persons make it horizontal again by pulling it with a greater force? |
| A. | Yes |
| B. | No |
| Answer» C. | |
| 17. |
What is the minimum number of coplanar vectors of different magnitudes which can give zero resultant? |
| A. | One |
| B. | Two |
| C. | Three |
| D. | Four |
| Answer» D. Four | |
| 18. |
Pressure_is_a_vector. |
| A. | True |
| B. | False |
| Answer» C. | |
| 19. |
A circular motion is an accelerated motion? |
| A. | True |
| B. | False |
| Answer» B. False | |
| 20. |
M0 L0 T(-1) is an example for |
| A. | Angular displacement |
| B. | Angular velocity |
| C. | Frequency |
| D. | Time period |
| Answer» C. Frequency | |
| 21. |
Motion of the tip of second hand of the clock is an example for |
| A. | Uniform circular motion |
| B. | Projectile motion |
| C. | Motion in a plane with uniform velocity |
| D. | Motion in a plane with constant acceleration |
| Answer» B. Projectile motion | |
| 22. |
A body is projected horizontally from the top of a cliff with a velocity of 9.8m/s. What time elapses before horizontal and vertical velocities become equal? Take g = 9.8m/s2 |
| A. | 9.8s |
| B. | 0s |
| C. | 10s |
| D. | 1s |
| Answer» E. | |
| 23. |
A ball is dropped downward from the roof of a building and simultaneously another ball is thrown in a horizontal direction, when will the balls reach the ground? |
| A. | Same time and same place |
| B. | The first ball will reach later than the second ball |
| C. | The second ball will reach later than the second ball |
| D. | Same time but different places |
| Answer» E. | |
| 24. |
An object thrown from an aeroplane is an example for |
| A. | Projectile motion |
| B. | Resolution of forces |
| C. | Composition of vectors |
| D. | Addition of vectors |
| Answer» B. Resolution of forces | |
| 25. |
A cyclist moves along a circular path of radius 70m. If he completes one round in 11s, calculate the total length of a path. |
| A. | 40m |
| B. | 440m |
| C. | 0m |
| D. | 11m |
| Answer» C. 0m | |
| 26. |
For motion in two or three dimensions, what is the angle between velocity and acceleration vectors? |
| A. | 0° |
| B. | 180° |
| C. | Between 0° and 180° |
| D. | 90° |
| Answer» D. 90¬¨¬®‚Äö√†√ª | |