Oscillations

The acceleration is proportional to the displacement and is directed towards the mean position in ______ motion.

The angular frequency of simple pendulum is proportional to:

Tuning of the radio is the best example of electrical_

If the mass of the bob of a pendulum is doubled its time period is:

In a microwave oven, the wave produced has a wavelength of 12 cm at a frequency of:

If the mass attached with a spring becomes four times, the time period of vibration becomes:

In a simple pendulum, the tension of the string is:

An oscillating body is at mean position at t = 0. At t = T/4 it will be at:

A simple pendulum length ‘L’ with bob of mass ‘m’ is slightly displaced from its mean position so that it string makes an angle ‘θ’ with vertical line as shown in the figure. Then bob of pendulum released. What will be the expression of torque with which the bob starts to move towards the mean position?

When the length of a simple pendulum is doubled, the ratio of the new frequency to the old frequency is:

What should be the ratio of kinetic energy to total energy for a simple harmonic oscillator?

Tuning a radio is the best example of:

Resonance occurs when the driving frequency is:

The time period ‘T’ of a simple pendulum depends on its length ‘l’ and acceleration due to gravity ‘g’ using unit dimensions. The correct equation for the time period is:

The relation between an alternative current voltage source and time in international system units is: V = 120 sin (100𝜋t) cos (100𝜋t) volt value of peak velocity and frequency will be respectively:-

A metallic wire of length 2m hooked between two points has tension 10N. If mass per unit length is 0.004kg/m, their fundamental frequency emitted by wire on vibration is:

A body performing SHM with displacement x=x_osin(wt+Ⲫ), when t=0, x=x_o.Then what is the phase angle of Ⲫ?

In mass spring system mass 'm' is attached with spring of spring constant 'k' with time period 'T₁'. Then the mass is replaced by '2m' with same spring, what is the time period 'T₂'

A phase difference of 90° is equal to:

The energy of a Simple Harmonic oscillation depends upon the

If a pendulum completes one cycle in half a second, its frequency is

Amplitude in the following figure is given as:

If the length of a simple pendulum is increased four times, its frequency:

The total energy E of a body at any instant, executing simple harmonic motion, is:

The force responsible for the simple harmonic motion of a simple pendulum is:

A child is swinging a swing, the minimum and maximum heights of swing are 0.75 m and 2 m respectively. The maxima velocity of the swing is:

The best example of uniform circular motion is?

A second pendulum starts its oscillation from the extreme position. What is the ratio of it's amplitude to the displacement after 7 seconds?

The kinetic energy of a simple harmonic oscillator is double of its potential energy at a point where instantaneous displacement is equal to:

The time period of simple pendulum of mass ‘m’ is ‘T’. When the simple pendulum’s mass is replaced by another mass of 3 times the older mass such that the length of pendulum will not change then the new time period will be:

The energy of a simple harmonic oscillator at a displacement ‘a’ is partly kinetic and partly potential. The energy of simple harmonic oscillator remains constant everywhere, which one of the following option will be correct about the simple harmonic oscillator.

Reducing mass M of a suspending body to one fourth will change the frequency of oscillation to:

When will the oscillations stop in the absence of resistive forces?

The most appropriate mathematical expression of smple harmonic motion is:

An oscillator performing simple harmonic motion has a displacement given by the x=8.0(mm)sin(10π/3)t. What is the displacement when t=0.05s?

In simple harmonic motion, a particle is oscillating in such a way that its total energy remains conserved. When this particle reaches its two extreme positions, its potential energy at the extreme positions become:

A stretched string vibrates with frequency f, when tension in the string is T, for what value of tension, the frequency of the same string is doubled?

If the length of second pendulum becomes four times, then its time period will become:

Time period of a vibrating body is independent of:

In vibratory motion the maximum displacement of the body on either side of its equilibrium position is called:

If the fundamental frequency of vibration of a string fixed both ends is 50H_z, the fourth harmonic will be:

The frequency of a simple pendulum of length 9.8 m will be

A body is executing simple harmonic motion if:

If f1 and f2 are frequencies of two tuning forks, such that f1 < f2, then number of beats produced in one second are:

The above graph shows the response of forced oscillations of a pendulum in air. What will be the response of its forced oscillations in a vacuum?

What effect occurs on amplitude and resonance of oscillations if damping is small?

The given figure shows kinetic, potential and total energies for a SHM.

Which of the following equations shows maximum kinetic, maximum potential and total energies for a spring mass system?

The uncertainty in the time period of a simple pendulum reduces by increasing its

If the phase of vibration is zero at the start of the wave cycle, then the phase when half of the wave cycle is completed will be

A body executes simple harmonic motion with an amplitude 'a'. Which of the following graphs represents the variation of velocity 'v' with displacement?

A pipe has a length of Im. Determine the frequencies of the fundamental and first two harmonic if the pipe is opened at both ends, (speed of sound in air = 340 m/s)

The time period of a pendulum is measured to be 3.0 seconds in the inertial reference frame of the pendulum. What is its period measured by an observer moving at a speed of 0.95c with respect to the pendulum?

Potential energy of a spring at the equilibrium position is:

The time period of a simple pendulum is 2 seconds. If its length is increased by 4 times, then its period becomes:

A mass m is suspended from a spring of spring constant k. The angular frequency of oscillations of the spring is:

A particle executes S.H.M. with frequency f. The frequency of variation of its maximum or minimum kinetic energy is:

The velocity and acceleration of a particle performing S.H.M. have a steady phase relationship. The acceleration showed a phase lead over the the velocity of:

The vertical extension in a light spring by a weight of 1 kg suspended from the wire is 9.8 cm, the period of the oscillation is:

In a simple harmonic motion with a radius xo, the velocity of the particle at any point is:

Variation of amplitude with respect to time for an oscillation object is shown in figure.Identify the oscillation:

For a vibrating mass-spring system, the expression of kinetic energy if x=0 is given by:

Which of the following represents the total energy of the mass-spring system during SHM?

Food being cooked in a microwave oven is an example of :

A body performs simple harmonic motion with a period of 0.063 s. The maximum speed of 3.0 ms^-1. What are the values of the amplitude ‘xo (m)’ and angular frequency ‘ω(rads-1)’?

The waveform of SHM is given in the figure. At what time/times displacement is equal to zero?

What is the period of the mass-spring system during SHM if the ratio of mass to spring constant is ¼?

In the diagram below, the displacement of an oscillating particle is plotted against time. What does the length ‘PR’ on the time axis represent?

A simple harmonic oscillator has a time period of 10 seconds. Which equation rotates its acceleration ‘a’ and displacement ‘x’?

What should be the ratio of kinetic energy to total energy for simple harmonic oscillator?

What should be the length of a simple pendulum whose period is 6.28 seconds at a place where g = 10 ms^-2?

The direction of the restoring force is always towards _.

The negative sign in "F = -k.x" indicates that _.

Asimple pendulum has mass M, length L and time period T. What is the period of oscillation of the pendulum with mass 4M and length 0.49L?

What is true about the acceleration of an object undergoing simple harmonic motion?

In simple harmonic motion, which two quantities are always in opposite directions:

Oscillatory or vibratory motion can be defined as:

One vibration can be defined as:

The maximum velocity of SHM is ao. The period of oscillation is:

A pendulum undergoes simple harmonic motion. The phase difference between the displacement and the acceleration of the particle is:

The speed 'v' of the waves in the string depends upon the tension, F, of the string and m, the mass per unit length of the string. It is given by:

When is an oscillation called simple harmonic motion?

A first harmonic stationary sound wave is produced in the air of the cylinder, which is half-filled with water. More water is added to the cylinder, and now first harmonic stationary wave is produced with a different frequency. What is the change in frequency and nature of displacement in air at the surface of the water?

A vibrating string has a little sound. However, when attached to a board the sound has a greater intensity. This is because?

The potential energy at the mean position of a pendulum is:

Calculate the frequency if the number of revolutions is 300 per second and the paired poles are 50.

Under the action of the restoring force:

An object is undergoing simple harmonic motion. Its time period is T and total energy is E. The amplitude of vibration is reduced to half. What is the new time period and total energy of the system?

An angular velocity of 60 revolutions per minute is the same as:

In a mass-spring system, which of the following does not depend on the initial displacement of the spring?

Acceleration in the simple pendulum is always _ to displacement.

If the time period of the oscillation is 20 micro-sec, then what will be the frequency of that oscillating body?

A wave passes through a medium; each particle of the medium performs 100 complete vibrations in 5 seconds. What is the frequency of the wave?

When the length of a simple pendulum is doubled, the ratio of its new time period to old time period is:

A wire has a spring constant of 5 x 104 N m-1. It is stretched by a force to the extension of 1.4 mm. Calculate the strain energy stored in the wire.

A spring of force constant 400 N/m has an extension of 5 cm, the work done in extending it from 5 cm to 15 cm is:

A steel wire hangs vertically from a fixed point, supporting a weight of 80 N at its lower end. The diameter of the wire is 0.50 mm and its length from the fixed point to the weight is 1.5 m. If the density of steel wire = 7.8 x 103 kg/m3, then what is the fundamental frequency emitted from the wire?

The object oscillates due to:

In the case of a harmonic oscillator total energy remains:

In S.H.M the K.E. at the equilibrium position is:

Damping is the process whereby _ is _ from the oscillating system.

Which graph in SHM shows the K.E of a body:

Equation of SHM, with amplitude ‘a’ is given by:

At which of the following places, motion of simple pendulum becomes slowest:

The time of open vibration of a simple pendulum may be decreased by:

Two springs fixed at one end are stretched by 5 cm and 10 cm, respectively, when masses 0.5 kg and 1 kg are suspended at their lower ends. When displaced slightly from their mean positions and released, they will oscillate with time periods in the ratio

A simple pendulum completes one oscillation in 4 seconds. Calculate its length when g= 9.8 m/s2, as the time period of a simple pendulum is given by T = 2 π √(l/g)

When there is an increase in the length of the simple pendulum then its time period will:

A body of mass 4 kg attached to a spring is displaced through 0.04 m from its equilibrium position and then released. If the spring constant is 400 N/m, find the time period of the vibration?

A student is performing a lab experiment on simple harmonic motion. He has two different springs (with force constants k1 and k2) and two different blocks (of masses m1 and m²). If k1 =2k2, and m1 = 2m2, which of the following combinations would give the student the spring-block simple harmonic oscillator with the shortest period?

The force applied on a unit area to produce any change in the volume or length of a body is called:

If a pendulum is oscillating with a frequency f then what is the frequency at which it’s K.E. changes?

An airplane is flying in a straight line at a constant altitude. If a wind gust strikes and raises the nose of the airplane, the nose will bob up and down until the plane eventually returns to its original position. These oscillations are:

For a simple harmonic motion the acceleration of the body is _ to displacement and always directed towards _.

In SHM the kinetic energy of the body is maximum when:

A force F = 0.12 N is applied to a spring and the spring elongates by 3 cm. The specific constant of the spring is?

The time period of a second pendulum on the surface of the moon becomes:

Simple Harmonic Motion of a body is described by which statements mentioned below:K: K.E is maximum when displacement x = 0L: P.E is maximum when x = 0M: P.E is maximum when x = ± x0

For a stiff spring, the value of spring constant is:

In simple harmonic motion, acceleration will be maximum, when the object is at:

The total energy of a block, executing simple harmonic motion is:

The oscillating object overshoots the rest position due to: