OSCILLATIONS

Which of the following is a simple harmonic motion?

• a) Particle moving in a circle with uniform speed

• b) Wave moving through a string fixed at both ends

• c) Earth spinning about its axis

• d) Ball bouncing between two vertical walls

A particle executes simple harmonic motion along the x-axis. The force acting on it is given by?

• Acos(kx)

• Ae^(-kx)

• Akx

• –Akx

Which one of the following represents simple harmonic motion?

• Acceleration = kx

• Acceleration = k₀ x+k₁ x²

• Acceleration = -k(x+a)

• Acceleration = k(x+a)

The work done by the tension in the string of a pendulum during one complete vibration is equal to

• Potential energy of pendulum

• Total energy of pendulum

• Kinetic energy of pendulum

• Zero

The necessary and sufficient condition for S.H.M. is

• Constant period

• Constant acceleration

• Proportionality between restoring force and displacement from equilibrium position in opposite direction

• None of the above

If a particle is moving in a circle, with a uniform speed, then its motion is,

• Oscillatory

• Periodic

• Non-periodic

• Simple harmonic

Particle moves from extreme position to mean position, its

• Kinetic energy increases, potential increases decreases

• Kinetic energy decreases, potential increases

• Both remains constant

• Potential energy becomes zero and kinetic energy remains constant

The work done by the tension in the string of a pendulum during one complete vibration is equal to

• Potential energy of pendulum

• Total energy of pendulum

• Kinetic energy of pendulum

• Zero

Which one of the following statements is true for the speed v and the acceleration of a particle executing simple harmonic motion?

• When v is maximum, a is maximum

• Value of a is zero, whatever may be the value of v

• When v is zero, a is zero

• When v is maximum, a is zero

Which type of

motion exhibited in torsion pendulum

• linear

  motion

• rectilinear

  motion

• translational

• circular