List of top Physics Questions on Waves and Oscillations asked in KEAM

Which one of the following motions is not simple harmonic motion?
An organ pipe open at both the ends has its fundamental frequency 200 Hz. If one end of it is closed and the other end is kept open, the frequencies produced by it are
The displacement and acceleration of a particle oscillating simple harmonically are respectively 3.0 m and \(48.0 \, ms^{-2}\). The angular frequency of the particle is (in \(s^{-1}\)).
Two springs with constants k and 2k are connected in series and a mass m is hanged. The time period of oscillation is
The velocity and acceleration of a particle performing simple harmonic motion have a steady phase relationship. The acceleration shows a phase lead over the velocity in radians of
The number of nodes and antinodes in a guitar string vibrating in the third harmonic is ________.
A musician hits a drum 90 times in a minute. The time period of hit is
The distance travelled by a particle executing linear S.H.M. from its mean position in 2 s is equal to \( \frac{1}{\sqrt{2}} \) times its amplitude. Then its time period in seconds is
A closed organ pipe and an open organ pipe have the same length. The ratio of the frequencies in their third mode of vibrations is
Two simple harmonic motions with the same amplitude and same frequency acting in the same direction are impressed on a particle. If the resultant amplitude of the particle is twice the amplitude of individual S.H.Ms, the phase difference between the two simple harmonic motions is
The velocity and acceleration of a particle performing simple harmonic motion have a steady phase relationship. The acceleration shows a phase lead over the velocity in radians of
Consider a driven damped mechanical oscillator is in resonance. Which of the following statements is true?
A body undergoing simple harmonic motion has a maximum acceleration of \( 8\pi \text{ m/s}^2 \) and maximum speed of \( 1.6 \text{ m/s} \). What is the time period \( T \)?
Instantaneous power delivered to a damped harmonic oscillator (natural frequency is \( \omega_0 \)) by an external periodic force (driving frequency \( \omega \)) under steady state conditions is
The Q factor for a damped oscillator is given by the
A particle of mass $3$ kg, attached to a spring with force constant $48$ N/m executes simple harmonic motion on a frictionless horizontal surface. The time period of oscillation of the particle, in seconds, is
The position and velocity of a particle executing simple harmonic motion at $t = 0$ are given by $3$ cm and $8$ cm/s respectively. If the angular frequency of the particle is $2$ rad/s then the amplitude of oscillation, in centimeters, is
A simple harmonic motion is represented by, $x(t) = \sin^2 \omega t - 2\cos^2 \omega t$. The angular frequency of oscillation is given by
A massless spring of length $l$ and spring constant $k$ is placed vertically on a table. A ball of mass $m$ is just kept on top of the spring. The maximum velocity of the ball is
Two equal masses hung from two massless springs of spring constants $k_1$ and $k_2$ have equal maximum velocity when executing SHM. The ratio of their amplitudes is
The simple harmonic motion of a particle is given by \( x = a \sin 2\pi t \). Then the location of the particle from its mean position at time \( \frac{1}{8} \) s is
For a particle moving according to the equation \(x = a \cos \pi t\), the displacement in 3 s is
Identify the mismatch in the following
Pick out the correct statement in the following with reference to stationary wave pattern
If a stretched wire is vibrating in the second overtone, then the number of nodes and antinodes between the ends of the string are respectively