MCQOPTIONS
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MCQOPTIONS
This section includes 33 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
A man is in a car is moving with velocity of 36km/hr. His speed with repect to the car is |
| A. | 10m/s |
| B. | 36m/s |
| C. | Zero |
| D. | Infinite |
| Answer» D. Infinite | |
| 2. |
Area under velocity time graph represent |
| A. | Force |
| B. | Displacement |
| C. | Distance |
| D. | Acceleration |
| Answer» D. Acceleration | |
| 3. |
At which angle the range of the projectile is maximum |
| A. | 45? |
| B. | 60? |
| C. | 30? |
| D. | None |
| Answer» B. 60? | |
| 4. |
Distance covered by a freely falling body in 2 seconds will be |
| A. | 4.9 m |
| B. | 19.6 m |
| C. | 39.2 m |
| D. | 44.1 m |
| Answer» C. 39.2 m | |
| 5. |
During long jump, athlete runs before taking the jump. By doing so he |
| A. | Provide him a larger inertia |
| B. | Decreases his inertia |
| C. | Decreases his momentum |
| D. | Increases his momentum |
| Answer» E. | |
| 6. |
Flight of a rocket in the space is an example of |
| A. | Second law of motion |
| B. | Third law of motion |
| C. | First law of motion |
| D. | Law of gravitation |
| Answer» C. First law of motion | |
| 7. |
Instantaneous and average velocities become equal when body |
| A. | Has zero acceleration |
| B. | Has uniform acceleration |
| C. | Has variable acceleration |
| D. | Moves in a circle |
| Answer» B. Has uniform acceleration | |
| 8. |
Momentum depends upon |
| A. | Force acts on the body |
| B. | Mass of the body |
| C. | Velocity of the body |
| D. | Both mass and velocity of the body |
| Answer» E. | |
| 9. |
Motorcycle safety helmet extends the time of collision hence decreasing the |
| A. | Chance of collision |
| B. | Force acting |
| C. | Velocity |
| D. | Impulse |
| Answer» E. | |
| 10. |
When body is in motion, ________ always changes. |
| A. | Its velocity |
| B. | Its acceleration |
| C. | Its position vector |
| D. | Its momentum |
| Answer» D. Its momentum | |
| 11. |
When car takes turn around a curve road, the passengers feel a force acting on them in a direction away from the center of the curve. It is due to |
| A. | Centripetal force |
| B. | Gravitational force |
| C. | Their inertia |
| D. | Centrifugal force |
| Answer» D. Centrifugal force | |
| 12. |
When velocity time graph is a straight line parallel to time axis then |
| A. | Acceleration is const |
| B. | Acceleration is variable |
| C. | Acceleration is zero |
| D. | Velocity is zero |
| Answer» D. Velocity is zero | |
| 13. |
When collision between the bodies in a system is inelastic in nature then for system |
| A. | Momentum changes but K.E remain conserve |
| B. | K.E changes but momentum remain conserve |
| C. | Both momentum and K.E changes |
| D. | Both momentum and K.E remain conserve |
| Answer» C. Both momentum and K.E changes | |
| 14. |
When two bodies move toward each other with constant speeds the distance between them decreases at the rate of 6m / sec. If they move in the same direction the distance between them increases at the rate of 4m/sec. Then their speeds are |
| A. | 5m/s, 1m/s |
| B. | 3m/s, 3m/s |
| C. | 6m/s, 1m/s |
| D. | 4m/s, 2m/s |
| Answer» B. 3m/s, 3m/s | |
| 15. |
Which law of motion is also called law of inertia? |
| A. | 1st law |
| B. | 2nd law |
| C. | 3rd law |
| D. | All 1st, 2nd and 3rd laws |
| Answer» B. 2nd law | |
| 16. |
Which of the following is not an example of projectile motion. |
| A. | A gas filled ballon |
| B. | Bullet fired from gun |
| C. | A football kicked |
| D. | A base ball shot |
| Answer» B. Bullet fired from gun | |
| 17. |
Which of the following pair has same direction always? |
| A. | Force, displacement |
| B. | Force, velocity |
| C. | Force, acceleration |
| D. | Force, momentum |
| Answer» D. Force, momentum | |
| 18. |
Which shows the correct relation between time of flight T and maximum height H? |
| A. | H=gT2/8 |
| B. | H=8T2/g |
| C. | H=8g/T2 |
| D. | H=gT2 |
| Answer» B. H=8T2/g | |
| 19. |
Why Ballistic missile fails in some circumstances of precision. |
| A. | Due to their shape |
| B. | Due to air resistance |
| C. | Due to angle of projection |
| D. | Att of these |
| Answer» C. Due to angle of projection | |
| 20. |
Slope of velocity time graph is |
| A. | Acceleration |
| B. | Distance |
| C. | Force |
| D. | Momentum |
| Answer» B. Distance | |
| 21. |
The collision between two bodies be elastic if bodies are |
| A. | Solid and soft |
| B. | Soft and elastic |
| C. | Solid and hard |
| D. | Hard and elastic |
| Answer» D. Hard and elastic | |
| 22. |
Newtons laws do not hold good for particles |
| A. | At rest |
| B. | Moving slowly |
| C. | Move with high velocity |
| D. | Move with velocity comparable to velocity of light |
| Answer» E. | |
| 23. |
Taking off rocket can be explained by |
| A. | 1st law of motion |
| B. | 2nd law of motion |
| C. | Law of conservation of momentum |
| D. | Law of conservation of energy |
| Answer» D. Law of conservation of energy | |
| 24. |
The acceleration in the rocket at any instant is proportional to the nth power of the velocity of the expelled gases. Where the value of n must be? |
| A. | -1 |
| B. | 1 |
| C. | 2 |
| D. | -2 |
| Answer» C. 2 | |
| 25. |
The distance covered by a body in time t starting from rest is |
| A. | At2/2 |
| B. | Vt |
| C. | A2t/2 |
| D. | At2 |
| Answer» B. Vt | |
| 26. |
The force beared by a wall on which water strikes normally at a speed of 10m/sec and at a discharge of 0.0001m3/sec is. |
| A. | 1 N |
| B. | 10 N |
| C. | 100 N |
| D. | None |
| Answer» B. 10 N | |
| 27. |
The range of the projectile at 30? and 60? are |
| A. | Equal to 45? |
| B. | Equal to 90? |
| C. | Equal to each other |
| D. | None of the above |
| Answer» D. None of the above | |
| 28. |
The thrust on the rocket in the absence of gravitational force of attraction is |
| A. | Constant |
| B. | Not constant |
| C. | Constant if the rate of ejected gases is constant |
| D. | Constant for short range rocket. |
| Answer» B. Not constant | |
| 29. |
The trajectory (or path) of a projectile is |
| A. | Straight line |
| B. | Parabola |
| C. | Hyperbola |
| D. | Circle |
| Answer» C. Hyperbola | |
| 30. |
Time rate of change of momentum is equal to |
| A. | Force |
| B. | Impulse |
| C. | Velocity |
| D. | Both (a) and (c) |
| Answer» B. Impulse | |
| 31. |
What is the angle of projection for which the range and maximum height become equal? |
| A. | Tan-1 1/4 |
| B. | Tan-1 4 |
| C. | Tan-1 1/2 |
| D. | Tan-1 2 |
| Answer» C. Tan-1 1/2 | |
| 32. |
What is the shape of velocity, time graph for constant acceleration? |
| A. | Straight inclined line. |
| B. | Parabola |
| C. | Inclined curve |
| D. | Declined curve |
| Answer» B. Parabola | |
| 33. |
When a body moves in a straight line then its displacement coincides with |
| A. | Distance |
| B. | Force |
| C. | Acceleration is zero |
| D. | Both (a) and (b) |
| Answer» B. Force | |