List of top Physics Questions

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

An Open pipe and a closed pipe have same length. The ratio of $p^{th}$ overtones of two pipes is

An organ pipe $P_1$ closed at one end vibrating in its first overtone and another pipe $P_2$ open at both ends vibrating in third overtone are in resonance with a given tuning fork. The ratio of the length $p_1$ to that of $p_2$ is

The amplitude of oscillation can never be infinite The energy of oscillator is continuously dissipated

The motion of a simple pendulum is simple harmonic for all angular displacement Motion of simple pendulum is independent of the angular displacement

The motion of the earth around the sun is periodic but not oscillatory Oscillatory motion is necessarily periodic but periodic motion is not necessarily oscillatory

At resonance, the amplitude of forced oscillations is

End correction in a closed organ pipe of diameter 'd' is

Figure shows the circular motion of a particle. The radius of the circle, the period, sense of revolution and the initial position are indicated on the figure. The simple harmonic motion of the $x$-projection of the radius vector of the rotating particle $P$ is

Figure shows the displacement-time graphs of two simple harmonic motions$ I$ and $II$. From the graph it follows that

For a bar pendulum the distance between two points of minimum time period is