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This section includes 12 Mcqs, each offering curated multiple-choice questions to sharpen your Physics knowledge and support exam preparation. Choose a topic below to get started.
1. |
The expression for displacement is x = sin(5t). The expression for acceleration is ______ |
A. | 5sin(5t) |
B. | 25cos(5t) |
C. | -25sin(5t) |
D. | -5cost(5t) |
Answer» B. 25cos(5t) | |
2. |
If the velocity varies parabolically, how does the acceleration vary? |
A. | Linearly |
B. | Hyperbolically |
C. | Parabolically |
D. | Elliptically |
Answer» B. Hyperbolically | |
3. |
The velocity of a ship varies with time as v = 5t3. What is the acceleration at t = 2? |
A. | 60 |
B. | 56 |
C. | 40 |
D. | 100 |
Answer» B. 56 | |
4. |
The gradient of velocity v/s time graph is equal to____ |
A. | Velocity |
B. | Acceleration |
C. | Distance |
D. | Momentum |
Answer» B. Acceleration | |
5. |
The velocity of a truck changes form 3 m/s to 5 m/s in 5s. What is the acceleration in m/s2? |
A. | 0.4 |
B. | 0.5 |
C. | 4.0 |
D. | 5.0 |
Answer» C. 4.0 | |
6. |
A uniformly accelerated body has ____ |
A. | Constant speed |
B. | Constant velocity |
C. | Constant force |
D. | Constant momentum |
Answer» D. Constant momentum | |
7. |
A car is travelling in the north direction. To stop, it produces a deceleration of 60 m/s2. Which of the following is a correct representation for the deceleration? |
A. | 60 m/s2 Northwards |
B. | 60 m/s2 Southwards |
C. | 60 m/s2 Eastwards |
D. | 60 m/s2 Westwards |
Answer» D. 60 m/s2 Westwards | |
8. |
What is negative acceleration known as? |
A. | Deceleration |
B. | Acceleration |
C. | Escalation |
D. | Relaxation |
Answer» B. Acceleration | |
9. |
A ball falls from a building and covers 5m in 10s. What is the acceleration? |
A. | 0.1 m/s2 |
B. | 0.2 m/s2 |
C. | 9.81 m/s2 |
D. | 10 m/s2 |
Answer» B. 0.2 m/s2 | |
10. |
The velocity of a body varies as, v = 2t+5t2. What is the acceleration at t = 10? |
A. | 102 |
B. | 100 |
C. | -100 |
D. | 50 |
Answer» B. 100 | |
11. |
How does the displacement v/s time graph of a uniformly accelerated motion look like? |
A. | A straight line |
B. | A parabola |
C. | A hyperbola |
D. | An ellipse |
Answer» C. A hyperbola | |
12. |
Which of the following is the correct formula for finding acceleration? |
A. | a = dx/dt |
B. | a = d2x/dt2 |
C. | a = x/t |
D. | a = d3x/dt3 |
Answer» C. a = x/t | |