MCQOPTIONS
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MCQOPTIONS
This section includes 8 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. |
Fuel is consumes at the rate of 100kg/s in a rocket. The exhaust gases are ejected at speed of 4.5 104m/s. What is the thrust experienced by the rocket? |
| A. | 3.19 10<sup>6</sup>N |
| B. | 4.5N |
| C. | 3.19N |
| D. | 4.5 10<sup>6</sup>N |
| Answer» E. | |
| 2. |
A man weighing 60kg runs along the rails with a velocity of 18km/h and jumps into a car of mass 1 quintal standing on the rails. Calculate the velocity with which the car will start travelling along the rails. |
| A. | 15m/s |
| B. | 3.3m/s |
| C. | 1.88m/s |
| D. | 5m/s |
| Answer» D. 5m/s | |
| 3. |
When a man jumps out of a boat to the shore, the boat slightly moves away from the shore. |
| A. | True |
| B. | False |
| Answer» B. False | |
| 4. |
While firing a bullet, the gun should be ___________ |
| A. | Held away from the shoulder |
| B. | Held tight to the shoulder |
| C. | Held straight |
| D. | Held with one hand stretched |
| Answer» C. Held straight | |
| 5. |
Conservation of linear momentum is a combination of ___________ |
| A. | Newton s second law and third law |
| B. | Newton s second law and first law |
| C. | Newton s first law and third law |
| D. | Newton s second law and impulse force |
| Answer» B. Newton s second law and first law | |
| 6. |
Which of the following is called a real law of motion? |
| A. | Second law |
| B. | First law |
| C. | Third law |
| D. | Law of inertia |
| Answer» B. First law | |
| 7. |
Book kept on a table is an example for ___________ |
| A. | Inertia |
| B. | First law of motion |
| C. | Third law of motion |
| D. | Second law of motion |
| Answer» D. Second law of motion | |
| 8. |
Which of the following is the property of Newton s third law? |
| A. | A body moving with a uniform speed in a straight line cannot change the direction of motion by itself |
| B. | It is applicable only to a point particle |
| C. | It is a local relation |
| D. | The action and reaction cannot cancel each other |
| Answer» E. | |