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Test: Simple Harmonic Motion - Question 1

Two identical spring, each of stiffness k are welded to each other at point P. The other two ends are fixed to the edge of a smooth horizontal tube as shown. A particle of mass m is welded at P. The entire system is horizontal. The period of oscillation of the particle in the direction of x is

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Test: Simple Harmonic Motion - Question 2

Two pendulums of length 100 cm and 121 cm starts oscillating. At some instant, the two are at the mean position in the same phase. After how many oscillations of the longer pendulum will the two be in the same phase at the mean position again

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Test: Simple Harmonic Motion - Question 3

A pendulum has time period T for small oscillations. Now, an obstacle is situated below the

point of suspension O at a distance The pendulum is released from rest. Throughout the motion, the moving string makes small angle with vertical. Time after which the pendulum returns back to its initial position is

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Test: Simple Harmonic Motion - Question 4

In the figure is shown a small block B of mass m resting on a smooth horizontal floor and the block is attached to an ideal spring (of force constant k). The spring is attached to vertical wall W1. At a distance d from the block, right side of it, is present the vertical wall W_{2}. Now, the block is compressed by a distance 5d/3 and released. It starts oscillating. If the collision of the block with W_{2} are perfectly elastic, the time period of oscillation of the block is

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Test: Simple Harmonic Motion - Question 5

Two simple pendulums of length 1m and 25 m, respectively, are both given small displacements in the same direction at the same instant.If they are in phase after the shorter pendulum has completed n oscillation, n is equal to

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Test: Simple Harmonic Motion - Question 6

Three masses of 500 g, 300 g and 100 g are suspended at the end of an ideal spring as shown and are in equilibrium. When the 500 g mass is suddenly removed, the system oscillated with a period of 2 s. When 300 g mass is also removed, it will oscillate with the period

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Test: Simple Harmonic Motion - Question 7

A particle of mass m is executing oscillations about the origin on the X-axis with amplitude A. Its potential energy is given as U(x) = βx^{4} where β is a positive constant. The x- cordinate of the particle, when the potential energy is one- third of the kinetic energy, is

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Test: Simple Harmonic Motion - Question 8

A linear harmonic oscillator of force constant 2 x 10^{6} Nm^{–1} and amplitude 0.01 m has a total mechanical energy 160 J. Among the following statements, which are correct?

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Test: Simple Harmonic Motion - Question 9

The potential energy between two atoms in a diatomic molecule varies with x as where a and b are positive constants. Find the equivalent spring constant for

the oscillation of one atom if the other atom is kept

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Test: Simple Harmonic Motion - Question 10

A particle of mass m moves in the potential energy U shown in the figure. The particle of the motion, if the total energy of the particle is E_{o} , is

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Test: Simple Harmonic Motion - Question 11

A particle of mass 0.1 kg is executing SHM of amplitude 0.1 m. When the particle passes through the mean position, its KE is 8 ×10-3 J. Find the equation of motion of the particle if the initial phase of oscillation is 45˚

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Test: Simple Harmonic Motion - Question 12

The distance travelled by a particle executing SHM in 10 s, if the time period is 3 s, is

(It is given that the body starts from A√3/3 from equilibrium position, moves is positive direction at t = 0)

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Test: Simple Harmonic Motion - Question 13

Two particles executing SHM with same angular frequency and amplitude A and 2A same

straight line with same position cross other in opposite direction at a distance A/3 from mean position. The phase difference between the two SHM’s is

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Test: Simple Harmonic Motion - Question 14

A spring-block pendulum is shown in the figure. The system is hanging in equilibrium. A bullet of mass m/2 moving with a speed u hits the block from down as shown in the figure. Find the amplitude of oscillation now.

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Test: Simple Harmonic Motion - Question 15

A particle at the end of a spring executes simple harmonic motion with a period T_{1} while the corresponding period for another spring is T_{2} If the period of oscillation with the two springs in series is T, then

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Test: Simple Harmonic Motion - Question 16

A 7 kg disc is free to rotate about a horizontal axis passing through its centre O (see figure). The radius of the disc is 10 cm and spring constant of both the spring is 600 Nm^{-1 }There is no slipping between the disc and the string. The time period of small oscillations of the disc is

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Test: Simple Harmonic Motion - Question 17

The displacement of the motion of a particle is represented (in metre) by the equation The motion of the particle is

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Test: Simple Harmonic Motion - Question 18

A cylinder of radius r and mass m rests on a curved path of radius R as shown in the figure. It is slightly displaced to its left. Thus, the cylinder makes oscillation about the mean position. The period of oscillations is (the cylinder rolls without slipping)

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Test: Simple Harmonic Motion - Question 19

The natural period of vibration of a 50 N disc (semicircular) is (The centre of mass of the semicircular disc lies at a distance of 4r/3π for the centre. Assume pure rolling).

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Test: Simple Harmonic Motion - Question 20

Find the frequency of small oscillations of a thin uniform vertical rod of mass m and length L hinged at the point O as shown in the figure. The stiffness of each spring is k. Mass of the springs is negligible. The figure shows equilibrium position.

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Test: Simple Harmonic Motion - Question 21

A uniform semicircular cylinder of radius R and mass m is displaced through a small angle

θ from its equilibrium position. It rolls without slipping during oscillations. The time period

of small oscillation is

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Test: Simple Harmonic Motion - Question 22

A uniform disc of mass m and radius R is pivoted smoothly at P,.If a uniform thin ring of mass m and radius R is welded at the lower point of the disc, find the period of SHM of the system (disc + ring).

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Test: Simple Harmonic Motion - Question 23

In the arrangement shows pulleys and spring are ideal. Now the block is slightly displaced vertically, the time period of oscillation is

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Test: Simple Harmonic Motion - Question 24

In the figure shown pulley is massless. Initially the blocks are held at a height such that spring is in its natural length. The amplitude and velocity amplitude of block B_{1 }respectively are (there is no slipping anywhere)

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Test: Simple Harmonic Motion - Question 25

The period of the function y = sinωt + sin2ωt + sin3ωt is

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Test: Simple Harmonic Motion - Question 26

A plank of mass m is kept at rest on two identical sphere, each of mass m_{o} and radius R The plank is connected to two ideal spring, which is turn are attached to walls as shown in the figure. Find the frequency of small (horizontal) oscillations (in the plane of the figure) of the plank. Assume pure rolling at all contact surfaces

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Test: Simple Harmonic Motion - Question 27

A particle of mass m is allowed to oscillate on a smooth parabola x^{2} = 4ay, a > 0, about the origin O (see figure). For small oscillations, find the angular frequency ( ω )

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Test: Simple Harmonic Motion - Question 28

A solid uniform cylinder of mass m performs small oscillations in horizontal plane if slightly displaced from its mean position shown in the figure. Initially springs are in naturals and cylinder does not slip on ground during oscillations due to friction between ground and cylinder. Force constant of each spring is k. The time period of oscillation is

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Test: Simple Harmonic Motion - Question 29

A particle of mass m is located in a unidimensional potential field, where the potential

energy of the particle depends on the coordinate x as where U_{0} and b are constant. Find the time period of small oscillations that the particle performs about the equilibrium position (solve the problem by Taylor’s method)

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Test: Simple Harmonic Motion - Question 30

An air chamber of volume V, has a long neck of cross-sectional area A. A ball of mass m is fitted smoothly in the neck. The bulk modulus of air is B. If the ball is pressed down slightly and released, the time period of its oscillation is

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