JEE Main
Physics
Simple Harmonic Motion
Previous Years Questions

Choose the correct length (L) versus square of the time period ($$\mathrm{T}^{2}$$) graph for a simple pendulum executing simple harmonic motion....
The maximum potential energy of a block executing simple harmonic motion is $$25 \mathrm{~J}$$. A is amplitude of oscillation. At $$\mathrm{A / 2}$$, ...
For a simple harmonic motion in a mass spring system shown, the surface is frictionless. When the mass of the block is $1 \mathrm{~kg}$, the angular f...
A particle executes simple harmonic motion between $$x=-A$$ and $$x=+A$$. If time taken by particle to go from $$x=0$$ to $$\frac{A}{2}$$ is 2 s; then...
The time period of oscillation of a simple pendulum of length L suspended from the roof of a vehicle, which moves without friction down an inclined pl...
When a particle executes Simple Hormonic Motion, the nature of graph of velocity as a function of displacement will be :
In figure $$(\mathrm{A})$$, mass '$$2 \mathrm{~m}^{\text {' }}$$ is fixed on mass '$$\mathrm{m}$$ ' which is attached to two springs of spring consta...
The motion of a simple pendulum executing S.H.M. is represented by the following equation. $$y = A\sin (\pi t + \phi )$$, where time is measured in se...
Motion of a particle in x-y plane is described by a set of following equations $$x = 4\sin \left( {{\pi \over 2} - \omega t} \right)\,m$$ and $$y = 4... The equation of a particle executing simple harmonic motion is given by$$x = \sin \pi \left( {t + {1 \over 3}} \right)m$$. At t = 1s, the speed of pa... The displacement of simple harmonic oscillator after 3 seconds starting from its mean position is equal to half of its amplitude. The time period of h... Time period of a simple pendulum in a stationary lift is 'T'. If the lift accelerates with$${g \over 6}$$vertically upwards then the time period wil... A mass of 5 kg is connected to a spring. The potential energy curve of the simple harmonic motion executed by the system is shown in the figure. A sim... For a body executing S.H.M. :(1) Potential energy is always equal to its K.E.(2) Average potential and kinetic energy over any given time interval are... The variation of displacement with time of a particle executing free simple harmonic motion is shown in the figure.The potential energy U(x) versus ti... An object of mass 0.5 kg is executing simple harmonic motion. It amplitude is 5 cm and time period (T) is 0.2 s. What will be the potential energy of ... A particle starts executing simple harmonic motion (SHM) of amplitude 'a' and total energy E. At any instant, its kinetic energy is$${{3E} \over 4}$$... In a simple harmonic oscillation, what fraction of total mechanical energy is in the form of kinetic energy, when the particle is midway between mean ... T0 is the time period of a simple pendulum at a place. if the length of the pendulum is reduced to$${1 \over {16}}$$times of its initial value, the ... A particle is making simple harmonic motion along the X-axis. If at a distances x1 and x2 from the mean position the velocities of the particle are v1... Consider a binary star system of star A and star B with masses mA and mB revolving in a circular orbit of radii rA an rB, respectively. If TA and TB a... The function of time representing a simple harmonic motion with a period of$${\pi \over \omega }$$is : The time period of a simple pendulum is given by$$T = 2\pi \sqrt {{l \over g}} $$. The measured value of the length of pendulum is 10 cm known to a 1... Two particles A and B of equal masses are suspended from two massless springs of spring constants K1 and K2 respectively. If the maximum velocities du... A block of mass 1 kg attached to a spring is made to oscillate with an initial amplitude of 12 cm. After 2 minutes the amplitude decreases to 6 cm. De... Amplitude of a mass-spring system, which is executing simple harmonic motion decreases with time. If mass = 500g, Decay constant = 20 g/s then how muc... Time period of a simple pendulum is T inside a lift when the lift is stationary. If the lift moves upwards with an acceleration g/2, the time period o... A particle executes S.H.M., the graph of velocity as a function of displacement is : Given below are two statements :Statement I : A second's pendulum has a time period of 1 second.Statement II : It takes precisely one second to move b... Y = A sin($$\omega$$t +$$\phi$$0) is the time-displacement equation of a SHM. At t = 0 the displacement of the particle is$$Y = {A \over 2}$$and it... Two identical springs of spring constant '2k' are attached to a block of mass m and to fixed support (see figure). When the mass is displaced from equ... The point A moves with a uniform speed along the circumference of a circle of radius 0.36 m and covers 30$$^\circ$$in 0.1 s. The perpendicular projec... If the time period of a two meter long simple pendulum is 2s, the acceleration due to gravity at the place where pendulum is executing S.H.M. is : In the given figure, a body of mass M is held between two massless springs, on a smooth inclined plane. The free ends of the springs are attached to f... When a particle executes SHM, the nature of graphical representation of velocity as a function of displacement is : When a particle of mass m is attached to a vertical spring of spring constant k and released, its motion is described by y(t) = y0 sin2$$\omega $$t, ... In a resonance tube experiment when the tube is filled with water up to a height of 17.0 cm from bottom, it resonates with a given tuning fork. When t... A block of mass m attached to a massless spring is performing oscillatory motion of amplitude ‘A’ on a frictionless horizontal plane. If half of the m... The displacement time graph of a particle executing S.H.M is given in figure :(sketch is schematic and not to scale) Which of the following statement... Two identical strings X and Z made of same material have tension TX and TZ in them. If their fundamental frequencies are 450 Hz and 300 Hz, respective... A wire of length L and mass per unit length 6.0 × 10–3 kgm–1 is put under tension of 540 N. Two consecutive frequencies that it resonates at are : 420... A simple pendulum is being used to determine th value of gravitational acceleration g at a certain place. Th length of the pendulum is 25.0 cm and a s... A simple harmonic motion is represented by : y = 5 (sin 3$$\pi $$t +$$\sqrt 3 $$cos 3$$\pi $$t) cm The amplitude and time period of the motion ar... A travelling harmonic wave is represented by the equation y(x,t) = 10–3sin (50t + 2x), where, x and y are in mater and t is in seconds. Which of the f... Two light identical springs of spring constant k are attached horizontally at the two ends of a uniform horizontal rod AB of length$$\ell $$and mass... A simple pendulum of length 1 m is oscillating with an angular frequency 10 rad/s. The support of the pendulum starts oscillating up and down with a s... A pendulum is executing simple harmonic motion and its maximum kinetic energy is K1. If the length of the pendulum is doubled and it performs simple h... A particle undergoing simple harmonic motion has time dependent displacement given by x(t) = Asin$${{\pi t} \over {90}}$$. The ratio of kinetic to pot... A closed organ pipe has a fundamental frequency of 1.5 kHz. The number of overtones that can be distinctly heard by a person with this organ pipe will... A cylindrical plastic bottle of negligible mass is filled with 310 ml of water and left floating in a pond with still water. If pressed downward sligh... A particle executes simple harmonic motion with an amplitude of 5 cm. When the particle is at 4 cm from the mean position, the magnitude of its veloci... A particle is executing simple harmonic motion (SHM) of amplitude A, along the x-axis, about x = 0. When its potential Energy (PE) equals kinetic ener... An oscillator of mass M is at rest in its equilibrium position in a potential V =$${1 \over 2}$$k(x$$-$$X)2. A particle of mass m comes from rig... A particle executes simple harmonic motion and is located at x = a, b and c at times t0, 2t0 and 3t0 respectively. The freqquency of the oscillation ... Two simple harmonic motions, as shown below, are at right angles. They are combined to form Lissajous figures. x(t) = A sin (at +$$\delta $$) y(t) =... A thin uniform tube is bent into a circle of radius$$r$$in the vertical plane. Equal volumes of two immiscible liquids, whose densities are$${\rho ...
A block of mass 0.1 kg is connected to an elastic spring of spring constant 640 Nm−1 and oscillates in a damping medium of damping constant 10−2 kg s...
A 1 kg block attached to a spring vibrates with a frequency of 1 Hz on a frictionless horizontal table. Two springs identical to the original spring a...
The ratio of maximum acceleration to maximum velocity in a simple harmonic motion is 10 s−1 . At, t = 0 the displacement is 5 m. What is the maximum a...
In an engine the piston undergoes vertical simple harmonic motion with amplitude 7 cm. A washer rests on top of the piston and moves with it. The moto...
Two particles are performing simple harmonic motion in a straight line about the same equilibrium point. The amplitude and time period for both partic...
A particle performs simple harmonic motion with amplitude $$A.$$ Its speed is trebled at the instant that it is at a distance $${{2A} \over 3}$$ from ...
A pendulum made of a uniform wire of cross sectional area $$A$$ has time period $$T.$$ When an additional mass $$M$$ is added to its bob, the time per...
For a simple pendulum, a graph is plotted between its kinetic energy $$(KE)$$ and potential energy $$(PE)$$ against its displacement $$d.$$ Which one ...
A particle moves with simple harmonic motion in a straight line. In first $$\tau s,$$ after starting from rest it travels a distance $$a,$$ and in nex...
An ideal gas enclosed in a vertical cylindrical container supports a freely moving piston of mass $$M.$$ The piston and the cylinder have equal cross ...
The amplitude of a damped oscillator decreases to $$0.9$$ times its original magnitude in $$5s$$. In another $$10s$$ it will decrease to $$\alpha$$ ...
If a simple pendulum has significant amplitude (up to a factor of $$1/e$$ of original ) only in the period between $$t = 0s\,\,to\,\,t = \tau \,s,$$ t...
A mass $$M,$$ attached to a horizontal spring, executes $$S.H.M.$$ with amplitude $${A_1}.$$ When the mass $$M$$ passes through its mean position then...
Two particles are executing simple harmonic motion of the same amplitude $$A$$ and frequency $$\omega$$ along the $$x$$-axis. Their mean position is ...
If $$x,$$ $$v$$ and $$a$$ denote the displacement, the velocity and the acceleration of a particle executing simple harmonic motion of time period $$T... A particle of mass$$m$$executes simple harmonic motion with amplitude a and frequency$$v.$$The average kinetic energy during its motion from the p... Two springs, of force constant$${k_1}$$and$${k_2}$$are connected to a mass$$m$$as shown. The frequency of oscillation of the mass is$$f.$$If b... A point mass oscillates along the$$x$$-axis according to the law$$x = {x_0}\,\cos \left( {\omega t - \pi /4} \right).$$If the acceleration of the p... The displacement of an object attached to a spring and executing simple harmonic motion is given by$$x = 2 \times {10^{ - 2}}cos\pi t$$met... A coin is placed on a horizontal platform which undergoes vertical simple harmonic motoin of angular frequency$$\omega .$$The amplitude of oscillati... Starting from the origin a body oscillates simple harmonically with a period of$$2s.$$After what time will its kinetic energy be$$75\% $$of t... The maximum velocity of a particle, executing simple harmonic motion with an amplitude$$7mm,$$is$$4.4m/s.$$The period of oscillation is The function$${\sin ^2}\left( {\omega t} \right)$$represents Two simple harmonic motions are represented by the equations$${y_1} = 0.1\,\sin \left( {100\pi t + {\pi \over 3}} \right)$$and$${y_2} = 0.1\,\cos ...
The bob of a simple pendulum is a spherical hollow ball filled with water. A plugged hole near the bottom of the oscillating bob gets suddenly unplugg...
If a simple harmonic motion is represented by $${{{d^2}x} \over {d{t^2}}} + \alpha x = 0.$$ its time period is
The bob of a simple pendulum executes simple harmonic motion in water with a period $$t,$$ while the period of oscillation of the bob is $${t_0}$$ in ...
A particle at the end of a spring executes $$S.H.M$$ with a period $${t_1}$$. While the corresponding period for another spring is $${t_2}$$. If the p...
The total energy of particle, executing simple harmonic motion is
A particle of mass $$m$$ is attached to a spring (of spring constant $$k$$) and has a natural angular frequency $${\omega _0}.$$ An external force $$F... In forced oscillation of a particle the amplitude is maximum for a frequency$${\omega _1}$$of the force while the energy is maximum for a frequency ... A mass$$M$$is suspended from a spring of negligible mass. The spring is pulled a little and then released so that the mass executes$$SHM$$of time ... Two particles$$A$$and$$B$$of equal masses are suspended from two massless springs of spring of spring constant$${k_1}$$and$${k_2}$$, respectiv... The displacement of particle varies according to the relation$$x=4\left( {\cos \,\pi t + \sin \,\pi t} \right).$$The amplitude of the particle ... The length of a simple pendulum executing simple harmonic motion is increased by$$21\% $$. The percentage increase in the time period of the pendulum... A body executes simple harmonic motion. The potential energy$$(P.E),$$the kinetic energy$$(K.E)$$and total energy$$(T.E)$$are measured as a func... If a spring has time period$$T,$$and is cut into$$n$$equal parts, then the time period of each part will be In a simple harmonic oscillator, at the mean position A child swinging on a swing in sitting position, stands up, then the time period of the swing will ## Numerical The amplitude of a particle executing SHM is$$3 \mathrm{~cm}$$. The displacement at which its kinetic energy will be$$25 \%$$more than the potentia... In the figure given below, a block of mass$$M=490 \mathrm{~g}$$placed on a frictionless table is connected with two springs having same spring const... The velocity of a particle executing SHM varies with displacement (x) as 4 v^{2}=50-x^{2}. The time period of oscillations is \frac{x}{7} s. The... The general displacement of a simple harmonic oscillator is$$x = A\sin \omega t$$. Let T be its time period. The slope of its potential energy (U) - ... A particle of mass 250 g executes a simple harmonic motion under a periodic force$$\mathrm{F}=(-25~x)\mathrm{N}$$. The particle attains a maximum spe... A mass m attached to free end of a spring executes SHM with a period of 1s. If the mass is increased by 3 kg the period of the oscillation increases b... A block of a mass 2 kg is attached with two identical springs of spring constant 20 N/m each. The block is placed on a frictionless surface and the e... The metallic bob of simple pendulum has the relative density 5. The time period of this pendulum is$$10 \mathrm{~s}$$. If the metallic bob is immerse... The potential energy of a particle of mass$$4 \mathrm{~kg}$$in motion along the x-axis is given by$$\mathrm{U}=4(1-\cos 4 x)$$J. The time period o... A mass$$0.9 \mathrm{~kg}$$, attached to a horizontal spring, executes SHM with an amplitude$$\mathrm{A}_{1}$$. When this mass passes through its mea... As per given figures, two springs of spring constants$$k$$and$$2 k$$are connected to mass$$m$$. If the period of oscillation in figure (a) is$$3...
A body is performing simple harmonic with an amplitude of 10 cm. The velocity of the body was tripled by air jet when it is at 5 cm from its mean posi...
A pendulum is suspended by a string of length 250 cm. The mass of the bob of the pendulum is 200 g. The bob is pulled aside until the string is at 60$... A particle executes simple harmonic motion. Its amplitude is 8 cm and time period is 6 s. The time it will take to travel from its position of maximum... A particle of mass 1 kg is hanging from a spring of force constant 100 Nm$$-$$1. The mass is pulled slightly downward and released so that it executes... Two simple harmonic motion, are represented by the equations $${y_1} = 10\sin \left( {3\pi t + {\pi \over 3}} \right)$$ $${y_2} = 5(\sin 3\pi t + \sq... Two simple harmonic motions are represented by the equations$${x_1} = 5\sin \left( {2\pi t + {\pi \over 4}} \right)$$and$${x_2} = 5\sqrt 2 (\sin 2... A particle executes simple harmonic motion represented by displacement function as x(t) = A sin($$\omega$$t + $$\phi$$)If the position and velocity of... A pendulum bob has a speed of 3 m/s at its lowest position. The pendulum is 50 cm long. The speed of bob, when the length makes an angle of 60$$^\circ... A particle performs simple harmonic motion with a period of 2 second. The time taken by the particle to cover a displacement equal to half of its ampl... Consider two identical springs each of spring constant k and negligible mass compared to the mass M as shown. Fig. 1 shows one of them and Fig. 2 show... A particle executes S.H.M. with amplitude 'a', and time period 'T'. The displacement of the particle when its speed is half of maximum speed is$${{\s... Time period of a simple pendulum is T. The time taken to complete $${5 \over 8}$$ oscillations starting from mean position is$\${\alpha \over \beta }...
A uniform metallic wire is elongated by 0.04 m when subjected to a linear force F. The elongation, if its length and diameter is doubled and subjected...
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