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Q. No.If \(x = 5 \mathrm {sin }\left(\pi t+ {\dfrac {\pi} 3}\right)~\text m\) represents the motion of a particle executing simple harmonic motion, the amplitude and time period of motion, respectively are :
1. \(5~\text m, 2~\text s\)
2. \(5~\text {cm}, 1~\text s\)
3. \(5~\text m, 1~\text s\)
4. \(5~\text {cm}, 2~\text s\)
1. \(5~\text m, 2~\text s\)
2. \(5~\text {cm}, 1~\text s\)
3. \(5~\text m, 1~\text s\)
4. \(5~\text {cm}, 2~\text s\)
Subtopic: Simple Harmonic Motion |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf the mass of the bob in a simple pendulum is increased to thrice its original mass and its length is made half its original length, then the new time period of oscillation is \( \dfrac{x}{2}\) times its original time period. Then the value of \(x\) is:
1. \(\sqrt2\)
2. \(2\sqrt3\)
3. \(4\)
4. \(\sqrt3\)
1. \(\sqrt2\)
2. \(2\sqrt3\)
3. \(4\)
4. \(\sqrt3\)
Subtopic: Angular SHM |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIf \(T_1,T_2,T_3,T_4\) and \(T_5\) represent the tension in the string of a simple pendulum when the bob is at the left extreme, right extreme, mean, any intermediate left and any intermediate right positions, respectively. Then which of the following relations are correct?
A. \(T_1=T_2\)
B. \(T_3>T_2\)
C. \(T_4>T_3\)
D. \(T_3=T_4\)
E. \(T_5>T_2\)
Choose the most appropriate answer from the options given below:
1. A, B and C only
2. B, C and D only
3. A, B and E only
4. C, D and E only
A. \(T_1=T_2\)
B. \(T_3>T_2\)
C. \(T_4>T_3\)
D. \(T_3=T_4\)
E. \(T_5>T_2\)
Choose the most appropriate answer from the options given below:
1. A, B and C only
2. B, C and D only
3. A, B and E only
4. C, D and E only
Subtopic: Simple Harmonic Motion |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe \(x\text-t\) graph of a particle performing simple harmonic motion is shown in the figure. The acceleration of the particle at \(t=2\) s is:
1. \(-\dfrac{\pi^2}{16} ~\text{ms}^{-2}\)
2. \(\dfrac{\pi^2}{8}~ \text{ms}^{-2}\)
3. \(-\dfrac{\pi^2}{8} ~\text{ms}^{-2}\)
4. \(\dfrac{\pi^2}{16} ~\text{ms}^{-2}\)
1. \(-\dfrac{\pi^2}{16} ~\text{ms}^{-2}\)
2. \(\dfrac{\pi^2}{8}~ \text{ms}^{-2}\)
3. \(-\dfrac{\pi^2}{8} ~\text{ms}^{-2}\)
4. \(\dfrac{\pi^2}{16} ~\text{ms}^{-2}\)
Subtopic: Simple Harmonic Motion |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA simple pendulum oscillating in air has a period of \(\sqrt3\) s. If it is completely immersed in non-viscous liquid, having density \(\Big(\dfrac14\Big)^{th}\) of the material of the bob, the new period will be:
1. \(2\sqrt3\) s
2. \(\dfrac{2}{\sqrt3}\) s
3. \(2\) s
4. \(\dfrac{\sqrt 3}{2}\) s
1. \(2\sqrt3\) s
2. \(\dfrac{2}{\sqrt3}\) s
3. \(2\) s
4. \(\dfrac{\sqrt 3}{2}\) s
Subtopic: Angular SHM |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyTwo pendulums of length \(121\) cm and \(100\) cm start vibrating in phase. At some instant, the two are at their mean position in the same phase. The minimum number of vibrations of the shorter pendulum after which the two are again in phase at the mean position is:
| 1. | \(8\) | 2. | \(11\) |
| 3. | \(9\) | 4. | \(10\) |
Subtopic: Angular SHM |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDuring simple harmonic motion of a body, the energy at the extreme position is:
| 1. | both kinetic and potential |
| 2. | is always zero |
| 3. | purely kinetic |
| 4. | purely potential |
Subtopic: Energy of SHM |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIdentify the function which represents a non-periodic motion?
| 1. | \(e^{-\omega t}\) | 2. | \(\text{sin}\omega t\) |
| 3. | \(\text{sin}\omega t+\text{cos}\omega t\) | 4. | \(\text{sin}(\omega t+\pi/4)\) |
Subtopic: Types of Motion |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe restoring force of a spring, with a block attached to the free end of the spring, is represented by:
| 1. |  |
2. |  |
| 3. |  |
4. |  |
Subtopic: Spring mass system |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch List-I with List-II:
Choose the correct answer from the options given below:
| List-I (x-y graphs) |
List-II (Situations) |
||
| (a) |  |
(i) | Total mechanical energy is conserved |
| (b) |  |
(ii) | Bob of a pendulum is oscillating under negligible air friction |
| (c) |  |
(iii) | Restoring force of a spring |
| (d) |  |
(iv) | Bob of a pendulum is oscillating along with air friction |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (ii) | (iii) | (i) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (i) | (iv) | (iii) | (ii) |
| 4. | (iii) | (ii) | (i) | (iv) |
Subtopic: Spring mass system |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect Chapter Topics:
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