List of top Physics Questions

A closed organ pipe has length I. The air in it is vibrating in 3rd overtone with a maximum amplitude of A. Find the amplitude at a distance of $\frac{l}{14}$ from closed end of the pipe
A girl is swinging on a swing in the sitting position. If another girl comes and sits, the period of its swing will
A hollow metal sphere is filled With water and it is hung by a long thread. It is made to oscillate. I f there be a small . hole in the bottom through which water slowly flows out, then its period of oscillation is
A mass is suspended from a spring. The mass oscillates vertically. The total energy of the mass w ill be
A maximum displacement, in a simple harmonic motion, the potential energy is
A particle executes SHM, its time period is $16\, s$. If it passes through the centre of oscillation then its velocity is $2\, ms^{-1}$ at times $2\, s$. The amplitude will be
A particle executes SHM with amplitude $0.1 \,m$. The distance from the mean position where the $K.E.$ and $P.E.$ become equal is
A particle executing SHM has a maximum speed of $30\, cm\, s^{-1}$ and a maximum acceleration of $60 \,cm \,s^{-2}$. The period of oscillation is
A particle executing $SHM$ is described by the displacement function $x(t) = A cos(\omega t + \phi)$, If the initial $(t = 0)$ position of the particle is $1\, cm$, its initial velocity is $\pi \,cm \,s^{-1}$ and its angular frequency is $\pi \,s^{-1}$, then the amplitude of its motion is
A particle executing $SHM$. The phase difference between velocity and displacement is
A particle executing simple harmonic motion with time period $T$. The time period with which its kinetic energy oscillates is
A particle is acted simultaneously by mutually perpendicular simple harmonic motions $x = a\, cos \,\omega t$ and $y = a \,sin \,\omega t$ . The trajectory of motion of the particle will be
A particle is moving on a circle with uniform speed; its motion is
A particle is subjected to two simple harmonic motions in the same direction having equal amplitudes and equal frequency. If the resulting amplitude is equal to the amplitude of individual motions, the phase difference between them is:
A particle of mass m is located in a one dimensional potential field where potential energy is given by V (x) = A (l - cos px ), where A and p are constants. The period of small oscillations of the particle is
A particle performs SHM along a straight line with the period T and amplitude A. The mean velocity of the particle averaged over the time interval during which it travels a distance A/2 starting from the extreme position is:
A pendulum is suspended from the ceiling of the compartment of train. When the train is stationary, the time period of the pendulum is $T$. If the train accelerates, the time period of the pendulum will
A second harmonic has to be generated in a string of length l stretched between two rigid supports. The points where the string has t( be plucked and touched are (K-2001)
A simple harmonic motion has amplitude A and Time period T. The maximum velocity will be
A simple pendulum of length L has been set up inside a railway wagon sliding down a frictionless inclined plane of inclination $\theta$ with the horizontal. its period of oscillation as recorded by an observer inside the wagon is
A spring balance has a scale that reads from $0$ to $50\, kg$. The length of the scale is $20\,cm$. A body suspended from this balance, when displaced and released, oscillates with a period of $0.6\, s$. The weight of the body is
A stretched wine of length 114 cm is divided into three segments whose frequencies are in the ratio 1 : 3 : 4, the lengths of the segments must be in the ratio
A transverse harmonic wave on a string is described by $y (x, t) = 5 \sin (10 t + 0.09 x + \pi/3)$ where $x$,$y$ are in $cm$ and $t$ in $s$. The positive direction of $x$ is from left to right. The nature of the wave is
A uniform rope of mass $M$ and length / hangs from a ceiling. A transverse pulse at a height $x$ above the lower end of the rope will move with speed $c$ is
An object of mass $M$ is attached to a vertical spring and in the equilibrium position the extension of the spring is $x$. The mass is raised upwards, till the extension of the spring is reduced to zero and then mass is released. The maximum extension of the spring in this case is