Recommended PYQs (STRICTLY NCERT Based) Oscillations Physics NEET Practice Questions, MCQs, Past Year Questions (PYQs), NCERT Questions, Question Bank, Class 11 and Class 12 Questions, and PDF solved with answers

If

x = 5 s i n (π t + \frac{π}{3}) m

$x = 5 \mathrm {sin }\left(\pi t+ {\dfrac {\pi} 3}\right)~\text m$ represents the motion of a particle executing simple harmonic motion, the amplitude and time period of motion, respectively are:
1.

5 m, 2 s

$5~\text m, 2~\text s$
2.

5 cm, 1 s

$5~\text {cm}, 1~\text s$
3.

5 m, 1 s

$5~\text m, 1~\text s$
4.

5 cm, 2 s

$5~\text {cm}, 2~\text s$

Subtopic: Simple Harmonic Motion |

74%

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Q2:

If the mass of a 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

\frac{x}{2}

$\dfrac{x}{2}$ times its original time period. The value of

x

$x$ is:

1.	$\sqrt2$	2.	$2\sqrt3$
3.	$4$	4.	$\sqrt3$

Subtopic: Angular SHM |

71%

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NEET - 2024

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Q3:

If

T_{1}, T_{2}, T_{3}, T_{4}

$T_1,T_2,T_3,T_4$ and

T_{5}

$T_5$ 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}

$T_1=T_2$
(B)

T_{3} > T_{2}

$T_3>T_2$
(C)

T_{4} > T_{3}

$T_4>T_3$
(D)

T_{3} = T_{4}

$T_3=T_4$
(E)

T_{5} > T_{2}

$T_5>T_2$
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: Angular SHM |

68%

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NEET - 2024

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Q4:

A particle executing simple harmonic motion with amplitude

A

$A$ has the same potential and kinetic energies at the displacement:

1.	$2\sqrt{A}$	2.	$\dfrac{A}{2}$
3.	$\dfrac{\mathrm{A}}{\sqrt{2}}$	4.	$A\sqrt{2}$

Subtopic: Energy of SHM |

81%

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Q5:

The two-dimensional motion of a particle, described by

\vec{r} = (\hat{i} + 2 \hat{j}) A cos (ω t)

$\vec{r}=(\hat{i}+2\hat{j}) A~\text{cos}(\omega t)$ is a/an:

(A)	parabolic path
(B)	elliptical path
(C)	periodic motion
(D)	simple harmonic motion

Choose the correct answer from the options given below:

1.	(B), (C), and (D) only
2.	(A), (B), and (C) only
3.	(A), (C), and (D) only
4.	(C) and (D) only

Subtopic: Types of Motion |

53%

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Q6:

The displacement-time

(x - t)

$(x\text-t)$ graph of a particle performing simple harmonic motion is shown in the figure. The acceleration of the particle at

t = 2

$t=2$ s is:

1.

- \frac{π^{2}}{16} {ms}^{- 2}

$-\dfrac{\pi^2}{16} ~\text{ms}^{-2}$
2.

\frac{π^{2}}{8} {ms}^{- 2}

$\dfrac{\pi^2}{8}~ \text{ms}^{-2}$
3.

- \frac{π^{2}}{8} {ms}^{- 2}

$-\dfrac{\pi^2}{8} ~\text{ms}^{-2}$
4.

\frac{π^{2}}{16} {ms}^{- 2}

$\dfrac{\pi^2}{16} ~\text{ms}^{-2}$

Subtopic: Simple Harmonic Motion |

65%

From NCERT

NEET - 2023

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Q7:

A simple pendulum oscillating in air has a period of

\sqrt{3}

$\sqrt3$ s. If it is completely immersed in non-viscous liquid, having density

{(\frac{1}{4})}^{th}

$\left(\dfrac14\right)^{\text{th}}$ 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

Subtopic: Angular SHM |

52%

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Q8:

Two pendulums of length

121 cm

$121~\text{cm}$ and

100 cm

$100~\text{cm}$ 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 |

70%

From NCERT

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Q9:

During 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 |

80%

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Q10:

Identify 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 |

83%

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