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Q. No.Which of the following statements is/are correct.
a.
Motion of a kink in a longitudinal spring produced by displacing one end of the spring sideways is transverse and longitudinal, both.
b.
Waves produced in a cylinder containing a liquid by moving its piston back and forth is longitudinal.
c.
Waves produced by a motorboat sailing in water are transverse and longitudinal, both.
d.
Ultrasonic waves in air produced by a vibrating quartz crystal are longitudinal.
1. (a), (b) and (d)
2. (b) and (d)
3. (a), (c) and (d)
4. All are correct
1. (a), (b) and (d)
2. (b) and (d)
3. (a), (c) and (d)
4. All are correct
Subtopic: Types of Motion |
61%
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Hints
Which of the following functions of time represent/s periodic motion? [ω is any positive constant]
(a) sinωt + cosωt
(b) sinωt + cos2ωt + sin4ωt
(c) e–ωt
(d) log(ωt)
(e) sin2ωt
1. (a)
2. (a), (b) and (d)
3. (a), (b) and (e)
4. All
Subtopic: Types of Motion |
67%
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A body is performing SHM, then its:
(a) average total energy per cycle is equal to its maximum kinetic energy.
(b) average kinetic energy per cycle is equal to half of its maximum kinetic energy.
(c) mean velocity for a complete cycle is equal to times of its maximum velocity.
(d) root mean square velocity is times of its maximum velocity.
Choose the correct alternatives:
1. (a, b, d)
2. (a, c)
3. (b, d)
4. (b, c, d)
Subtopic: Energy of SHM |
52%
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The (displacement-time) graph of a particle executing SHM is shown in the figure. Then,
| a. | the force is zero at \(t=\frac{3T}{4}\) |
| b. | the acceleration is maximum at \(t=\frac{4T}{4}\) |
| c. | the velocity is maximum at \(t=\frac{T}{4}\) |
| d. | the potential energy is equal to the kinetic energy of oscillation at \(t=\frac{T}{2}\) |
Which of the statement/s given above is/are true?
| 1. | (a), (b), (d) |
| 2. | (a), (b), (c) |
| 3. | (b), (c), (d) |
| 4. | (c), (d) |
Subtopic: Simple Harmonic Motion |
67%
From NCERT
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Given below are two statements:
| Assertion (A): | When a pendulum is made to oscillate on the surface of the moon, its time period increases. |
| Reason (R): | Moon is much smaller as compared to Earth. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Angular SHM |
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Hints
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Given below are two statements:
| Assertion (A): | If a pendulum is suspended in a lift and lift is falling freely, then its time period becomes infinite. |
| Reason (R): | Free falling body has acceleration equal to acceleration due to gravity. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Angular SHM |
82%
From NCERT
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Given below are two statements:
| Assertion (A): | The graph between velocity and displacement for a simple harmonic motion is an ellipse. |
| Reason (R): | Velocity does not change uniformly with displacement in simple harmonic motion. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Simple Harmonic Motion |
From NCERT
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Hints
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Given below are two statements:
| Assertion (A): | When a girl sitting on a swing stands up, the periodic time of the swing decreases. |
| Reason (R): | When a girl stands up, more weight is felt on the string of the swing. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Angular SHM |
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements:
| Assertion (A): | The graph of potential energy and kinetic energy of a particle in SHM with respect to position is a parabola. |
| Reason (R): | Potential energy and kinetic energy do not vary linearly with position. |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Energy of SHM |
From NCERT
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Hints
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NEET 2023 - Target Batch - Aryan Raj Singh
Given below are two statements:
| Assertion (A): | The time period of a pendulum, on a satellite orbiting the earth, is infinity. |
| Reason (R): | Time-period of a pendulum is inversely proportional to \(\sqrt g\). |
| 1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are true but (R) is not the correct explanation of (A). |
| 3. | (A) is true but (R) is false. |
| 4. | Both (A) and (R) are false. |
Subtopic: Angular SHM |
62%
From NCERT
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NEET 2023 - Target Batch - Aryan Raj Singh
Hints
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NEET 2023 - Target Batch - Aryan Raj Singh
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