Oscillations MCQ

Test your knowledge with important Oscillations MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30+ more Oscillations MCQs on Bissoy. Bissoy App

• A mass m is vertically suspended from a spring of negligible mass; the system oscillates with a frequency n. What will be the frequency of the system, if a mass 4m is suspended from the same spring?
  ক

  n/2

  খ

  4n

  গ

  n/4

  ঘ

  2n
• A loaded vertical spring executes simple harmonic motion with a time period of 4 sec. The difference between the kinetic energy and potential energy of this system varies with a period of?
  ক

  2 sec

  খ

  1 sec

  গ

  8 sec

  ঘ

  4 sec
• A body executes simple harmonic motion with amplitude A. At what displacement from the mean position is the potential energy of the body one fourth of its total energy?
  ক

  A/4

  খ

  A/2

  গ

  3A/4

  ঘ

  Some other fraction of A
• In a simple harmonic motion, when the displacement is one half the amplitude, what fraction of the total energy is kinetic?
  ক

  1/2

  খ

  3/4

  গ

  Zero

  ঘ

  1/4
• The potential energy of a simple harmonic oscillation when the article is halfway to its end point is ___________
  ক

  2/3 E

  খ

  1/8 E

  গ

  1/4 E

  ঘ

  1/2 E
• A linear harmonic oscillator of force constant 2×106 N/m and amplitude 0.01m has a total mechanical energy of 160J. Its ___________
  ক

  Potential energy is 160 J

  খ

  Potential energy is zero

  গ

  Potential energy is 100J

  ঘ

  Potential energy is 120J
• The particle executing simple harmonic motion has a kinetic energy K0 cos2 ωt. The maximum values of the potential energy and the total energy are respectively ___________
  ক

  Kc/2 and K0

  খ

  K0 and K0

  গ

  K0 and 2K0

  ঘ

  0 and 2K0
• The total energy of a particle performing simple harmonic motion depends on ___________
  ক

  k, a, m

  খ

  k, a

  গ

  k, a, x

  ঘ

  k, x
• A body is executing simple harmonic motion. When the displacements from the mean position are 4cm and 5cm, the corresponding velocities of the body are 10cm/sec and 8cm/sec. Thenwhat is the time period of the body?
  ক

  2π sec

  খ

  π/2 sec

  গ

  π sec

  ঘ

  3π/2 sec
• A simple pendulum performs simple harmonic motion about x = 0 with an amplitude a and time period T. The speed of the pendulum at x = a/2 will be ___________
  ক

  (πa√3)/T /T View Answer]

  খ

  (πa√3)/2T

  গ

  πa/T

  ঘ

  (3π2 a)/T
• Which one of the following statements is true for the speed v and the acceleration of a particle executing simple harmonic motion?
  ক

  When c is maximum, a is maximum

  খ

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

  গ

  When v is zero, a is zero

  ঘ

  When v is maximum, a is zero
• The phase difference between the acceleration of a particle executing simple harmonic motion and the instantaneous velocity is?
  ক

  π

  খ

  0.707π

  গ

  Zero

  ঘ

  0.5π
• If a simple harmonic oscillator has got a displacement of 0.02m and acceleration equal to 2m/s2 at any time, the angular frequency of the oscillator is equal to ___________
  ক

  10 rad/s

  খ

  0.1 rad/s

  গ

  100 rad/s

  ঘ

  1 rad/s
• A simple harmonic oscillator has an amplitude A and time period T. The time require by it to travel from x = A to x = A/2 is ___________
  ক

  T/6

  খ

  T/4

  গ

  T/3

  ঘ

  T/2
• A particle executes simple harmonic oscillation. Its amplitude is a. The period of oscillation is T. The minimum time taken by the particle to travel half of the amplitude from the equilibrium position is___________
  ক

  T/8

  খ

  T/12

  গ

  T/2

  ঘ

  T/4
• A particle executing simple harmonic motion of amplitude 5cm has a maximum speed of 31.4 cm/s. The frequency of its oscillation is?
  ক

  4Hz

  খ

  3Hz

  গ

  2Hz

  ঘ

  1Hz
• Which one of the following represents simple harmonic motion?
  ক

  Acceleration = kx d) Acceleration = k(x+] View Answer]

  খ

  Acceleration = k0 x+k1 x2

  গ

  Acceleration = -k(x+a)

  ঘ

  Acceleration = k(x+a)
• A particle executes simple harmonic motion along the x-axis. The force acting on it is given by?
  ক

  Acos(kx)

  খ

  Ae(-kx)

  গ

  Akx

  ঘ

  –Akx
• Which of the following is a simple harmonic motion?
  ক

  Particle moving in a circle with uniform speed

  খ

  Wave moving through a string fixed at both ends

  গ

  Earth spinning about its axis

  ঘ

  Ball bouncing between two vertical walls
• The circular motion of a particle whose speed is constant is ________________
  ক

  Periodic but not simple harmonic

  খ

  Simple harmonic but not periodic

  গ

  Periodic and simple harmonic

  ঘ

  Neither periodic not simple harmonic
• Consider the damped SHM of a spring mass system. If the time taken for the amplitude to become half is ‘T’, what is the time taken for mechanical energy to become half?
  ক

  T

  খ

  T/2

  গ

  2T

  ঘ

  T/4
• What happens to the energy of a particle, in SHM, with time in the presence of damping forces?
  ক

  Stays constant

  খ

  Decreases linearly

  গ

  Decreases exponentially

  ঘ

  Decreases cubically
• If the restoring force on a body is given by: F = -kx -bv, then what is the expression for amplitude of motion? Let A be amplitude without damping forces
  ক

  Ae-at, where a is some constant

  খ

  Aeat, where a is some constant

  গ

  A

  ঘ

  0
• Damping force on a spring mass system is proportional to which of the following quantities?
  ক

  Velocity

  খ

  Acceleration

  গ

  Displacement from mean position

  ঘ

  (velocity)2
• What will happen to the time period of a simple pendulum if temperature of the surroundings is significantly increased?
  ক

  Increase

  খ

  Decrease

  গ

  Remain the same

  ঘ

  The oscillations come to a stop
• Two simple pendulums of the same length are released from 10° & 20° respectively. Select the correct statement.
  ক

  The second pendulum have will have a double time period than that of the first

  খ

  They both will reach the mean position at the same time

  গ

  The first pendulum will have a double time period than that of the second

  ঘ

  Their maximum speed will be the same
• What is the length of a seconds pendulum?
  ক

  1m

  খ

  2m

  গ

  9.8m

  ঘ

  0.5m
• Which of the following factors affects the time period of a simple pendulum?
  ক

  Mass of bob

  খ

  Shape of bob

  গ

  Length of string

  ঘ

  Angle of release from 0° to 20°
• Two springs in horizontal spring mass systems have spring constants in the ratio 2:3. By what ratio should they be extended from their mean positions so that they have the same value of maximum speed? The masses of blocks are the same in both cases.
  ক

  3/2

  খ

  √3 / √2

  গ

  9/4

  ঘ

  4/9
• A spring block system is on a horizontal surface. The block is compressed by 10cm. What should be the coefficient of friction between the block and ground such that the block comes to a stop at the mean position? Mass of block = 0.5kg & spring constant = 3N/m.
  ক

  0.03

  খ

  0.06

  গ

  0.12

  ঘ

  0.05