MCQOPTIONS
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MCQOPTIONS
This section includes 14 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. |
A driver takes 0.20 s to apply the brakes after he sees a need for it. This is called the reaction time of the driver. If he is driving at a speed of 54km/h and the brakes cause a deceleration of 6.0m/s2, find the distance travelled by the car after he sees the need to put the brakes. |
| A. | 18.75m |
| B. | 225 m |
| C. | 21.5 m |
| D. | 12 m |
| Answer» D. 12 m | |
| 2. |
A jet plane starts from rest with an acceleration of 3m/s2 and makes a run for 35s before taking off. What is the minimum length of the runway? |
| A. | 105 m |
| B. | 1837.5 m |
| C. | 2451 m |
| D. | 1204 m |
| Answer» C. 2451 m | |
| 3. |
What is the acceleration of a bus approaching a bus stop? |
| A. | Uniform acceleration |
| B. | Instantaneous acceleration |
| C. | Average acceleration |
| D. | Negative acceleration |
| Answer» E. | |
| 4. |
A train is under a journey of several hundred kilometers. How can it be regarded? |
| A. | An object in motion |
| B. | An object under rest |
| C. | An object under absolute motion |
| D. | A point object |
| Answer» E. | |
| 5. |
A_JET_PLANE_STARTS_FROM_REST_WITH_AN_ACCELERATION_OF_3M/S2_AND_MAKES_A_RUN_FOR_35S_BEFORE_TAKING_OFF._WHAT_IS_THE_MINIMUM_LENGTH_OF_THE_RUNWAY??$ |
| A. | 105 m |
| B. | 1837.5 m |
| C. | 2451 m |
| D. | 1204 m |
| Answer» C. 2451 m | |
| 6. |
A_driver_takes_0.20_s_to_apply_the_brakes_after_he_sees_a_need_for_it._This_is_called_the_reaction_time_of_the_driver._If_he_is_driving_at_a_speed_of_54km/h_and_the_brakes_cause_a_deceleration_of_6.0m/s2,_find_the_distance_travelled_by_the_car_after_he_sees_the_need_to_put_the_brakes.$ |
| A. | 18.75m |
| B. | 225 m |
| C. | 21.5 m |
| D. | 12 m |
| Answer» D. 12 m | |
| 7. |
What is the acceleration of a bus approaching a bus stop? |
| A. | Uniform acceleration |
| B. | Instantaneous acceleration |
| C. | Average acceleration |
| D. | Negative acceleration |
| Answer» E. | |
| 8. |
On a 60km track travels the first 30km with a uniform speed of 30km/h. How fast must the train travel the next 30km so as to average 40km.h for the entire trip? |
| A. | 60km.h |
| B. | 90km/h |
| C. | 120km/h |
| D. | 30km/h |
| Answer» B. 90km/h | |
| 9. |
A body travels from A to B at 40m/s and from B to A at 60m/s. Calculate the average speed. |
| A. | 0 |
| B. | 48m/s |
| C. | 240m/s |
| D. | 3.5m/s |
| Answer» C. 240m/s | |
| 10. |
Displacement is a scalar quantity. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 11. |
Which of the following can be regarded as an example for three dimensional motions? |
| A. | Motion of planets around the sun |
| B. | Motion of a train along a straight track |
| C. | Motion of a free falling body |
| D. | A kite flying on a windy day |
| Answer» E. | |
| 12. |
A car is moving along a zigzag path on a level road. This is an example for which of the following? |
| A. | Point object |
| B. | Two dimensional motion |
| C. | Three dimensional motion |
| D. | One dimensional motion |
| Answer» C. Three dimensional motion | |
| 13. |
A train is under a journey of several hundred kilometers. How can it be regarded? |
| A. | An object in motion |
| B. | An object under rest |
| C. | An object under absolute motion |
| D. | A point object |
| Answer» E. | |
| 14. |
Rest and motion are relative terms. |
| A. | True |
| B. | False |
| Answer» B. False | |