

MCQOPTIONS
This section includes 32 Mcqs, each offering curated multiple-choice questions to sharpen your SRMJEEE knowledge and support exam preparation. Choose a topic below to get started.
1. |
If the length of second’s pendulum is increased by 2%, how may seconds it will lose per day? (CPMT 92) |
A. | 3427 sec |
B. | 3727 sec |
C. | 3927 sec |
D. | 864 sec |
Answer» E. | |
2. |
A body in simple harmonic motion. Its time period is 24 sec. at mean position to 4 sec after its velocity is pm/sec. then find its path length. (MHT-CET-2008) |
A. | 48 m |
B. | 58 m |
C. | 68 m |
D. | 78 m |
Answer» B. 58 m | |
3. |
A simple pendulum is made of a body which is a hollow sphere containing mercury suspended by means of a wire. If a little mercury is drained off, the period of pendulum will (NCERT 72) |
A. | Remain unchanged |
B. | Increase |
C. | Decrease |
D. | Become erratic |
Answer» C. Decrease | |
4. |
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|
A. | A body in S.H.M. its velocity maximum at mean position | |
B. | A body in S.H.M. its K.E. less at extreme position | |
C. | A body in S.H.M. its acceleration more at extreme position its directions away from mean position | |
D. | A body in S.H.M its acceleration less at mean position | |
Answer» D. A body in S.H.M its acceleration less at mean position | ||
5. |
The length of a pendulum is halved. Its energy will (MH-CET-2002) |
A. | Decreased to half |
B. | Increased to 2 times |
C. | Decreased to one fourth |
D. | Increased to 4 times |
Answer» C. Decreased to one fourth | |
6. |
Total energy of a particle executing S.H.M. is proportional to (MHT CET 2002, CPMT 74) |
A. | Square of the amplitude of the motion |
B. | Frequency of oscillation |
C. | Velocity in equilibrium position |
D. | Displacement form equilibrium position |
Answer» B. Frequency of oscillation | |
7. |
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|
A. | 0.001 | |
B. | 0.02 | |
C. | 0.1 | |
D. | 0.2 | |
Answer» C. 0.1 | ||
8. |
The necessary and sufficient condition for S.H.M. is (NCERT 74) |
A. | Constant period |
B. | Constant acceleration |
C. | Proportionality between restoring force and displacement from equilibrium position in opposite direction |
D. | None of the above |
Answer» D. None of the above | |
9. |
Particle moves from extreme position to mean position, its (MHT-CET-2003) |
A. | Kinetic energy increases, potential increases decreases |
B. | Kinetic energy decreases, potential increases |
C. | Both remains constant |
D. | Potential energy becomes zero and kinetic energy remains constant |
Answer» B. Kinetic energy decreases, potential increases | |
10. |
The period of a simple pendulum is doubled when (CPMT 74) |
A. | Its length is doubled |
B. | The mass of the bob is doubled |
C. | Its length is made four times |
D. | The mass of the bob and the length of the pendulum are doubled. |
Answer» D. The mass of the bob and the length of the pendulum are doubled. | |
11. |
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|
A. | A | |
B. | a/2 | |
C. | 0 | |
D. | a/4 | |
Answer» B. a/2 | ||
12. |
Spring is pulled down by 2 cm. What is amplitude of motion? (MHT-CET-2003) |
A. | 0 cm |
B. | 6 cm |
C. | 2 cm |
D. | 4 cm |
Answer» D. 4 cm | |
13. |
|
|
A. | Greater than T. | |
B. | Less than T. | |
C. | Equal to T. | |
D. | Cannot be compared | |
Answer» B. Less than T. | ||
14. |
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|
A. | 100 J | |
B. | 200 J | |
C. | 150 J | |
D. | 0 | |
Answer» B. 200 J | ||
15. |
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|
A. | 22% | |
B. | 20% | |
C. | 33% | |
D. | 44% | |
Answer» C. 33% | ||
16. |
Time period of simple pendulum of length l and a place where acceleration due to gravity is g is T. what is the period of a simple pendulum of the same length at a place where the acceleration due to gravity is 1.029 is, (CPMT 82) |
A. | T |
B. | 1.02 T |
C. | 0.99 T |
D. | 1.01 T |
Answer» D. 1.01 T | |
17. |
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|
A. | Potential energy of pendulum | |
B. | Total energy of pendulum | |
C. | Kinetic energy of pendulum | |
D. | Zero | |
Answer» E. | ||
18. |
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|
A. | 10 cm | |
B. | 5 cm | |
C. | 2.5 cm | |
D. | 20 cm | |
Answer» B. 5 cm | ||
19. |
If a hole is bored along the diameter of the earth and a stone is dropped into the hole (CPMT 84) |
A. | The stone reaches the centre of the earth and stops there |
B. | The stone reaches the other side of the earth and stops there |
C. | The stone executes simple harmonic motion about the centre of the earth |
D. | The stone reaches the other side of the earth and escapes into space |
Answer» D. The stone reaches the other side of the earth and escapes into space | |
20. |
The kinetic energy of a particle executing S.H.M. is 16 J when it is at its mean position. If the mass of the particle is 0.32 kg, then what is the maximum velocity of the particle? (MHT-CET-2004) |
A. | 5 m/s |
B. | 15 m/s |
C. | 10 m/s |
D. | 20 m/s |
Answer» D. 20 m/s | |
21. |
Two equal negative charges -q are fixed at point (0, a) and (0, -a) on the Y-axis A positive charge q is released from rest at point (2a, 0) on the X-axis. The charge Q will (IIT 83) |
A. | Execute simple harmonic motion about the origin |
B. | Move to the origin and remained at rest |
C. | Move to infinity |
D. | Execute oscillatory motion but not simple harmonic motion |
Answer» E. | |
22. |
The shape of l - T graph of simple pendulum is, (CPMT-92) |
A. | Curve |
B. | Parabola |
C. | Straight line |
D. | Hyperbola |
Answer» C. Straight line | |
23. |
For a magnet of time period T magnetic moment is M, if the magnetic moment becomes one fourth of the initial value, then the time period of oscillation becomes. (MHT CET 2006) |
A. | Half of initial value |
B. | One fourth of initial value |
C. | Double of initial value |
D. | Four time initial value |
Answer» D. Four time initial value | |
24. |
The frequency of wave is 0.002 Hz. Its time period is (MHT-CET-2004) |
A. | 100 s |
B. | 500 s |
C. | 5000 s |
D. | 50 s |
Answer» C. 5000 s | |
25. |
A particle executing a vibratory motion while passing through the mean position has (CPMT 92) |
A. | Maximum P.E. and minimum K.E. |
B. | Maximum K.E. and minimum P.E. |
C. | P.E. and K.E. both maximum |
D. | P.E. and K.E. both minimum |
Answer» C. P.E. and K.E. both maximum | |
26. |
A pendulum suspended from the roof of a train has a period T (When the train is at rest). When the train is accelerating with a uniform acceleration ‘a’, the time period of the pendulum will (NCERT 80) |
A. | Increase |
B. | Decrease |
C. | Remain unaffected |
D. | Become infinite |
Answer» C. Remain unaffected | |
27. |
At a place where g = 980 cm/sec2. the length of seconds pendulum is about |
A. | 50 cm |
B. | 100 cm |
C. | 2 cm |
D. | 2 m |
Answer» C. 2 cm | |
28. |
A particle of mass m is hanging vertically by an ideal spring of force constant K. if the mass is made to oscillate vertically, its total energy is (CPMT 78) |
A. | Maximum at extreme position |
B. | Maximum at mean position |
C. | Minimum at mean position |
D. | Same at all positions |
Answer» E. | |
29. |
A simple pendulum of length l and mass (bob) m is suspended vertically. The string makes an angle q with the vertical. The restoring force acting on the pendulum, is (MHT-CET-2005) |
A. | mg tan q |
B. | mg sin q |
C. | - mg sin q |
D. | - mg cos q |
Answer» D. - mg cos q | |
30. |
A particle executes S.H.M. of amplitude A. at what distance from mean position its kinetic energy is equal to its potential energy? (MHT-CET 99) |
A. | 0.51 A |
B. | 0.61 A |
C. | 0.71 A |
D. | 0.81 A |
Answer» D. 0.81 A | |
31. |
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|
A. | 10 cm | |
B. | 14 cm | |
C. | 2 cm | |
D. | 3.5 cm | |
Answer» B. 14 cm | ||
32. |
The length of second’s pendulum on the surface of earth is 1 m. the length of same pendulum on the surface of moon, where acceleration due to gravity is (1/6)th of the g on the surface of earth is (NCERT 71) |
A. | 36 m |
B. | 1 m |
C. | 1/36 |
D. | 1/6 m |
Answer» E. | |