CBSE  /  Class 11  /  Physics  /  Oscillations

  • 1. 
    The acceleration of particle executing S.H.M. when it is at mean position is

  • Infinite
  • Varies
  • Maximum
  • Zero

  • 2. 
    In SHM, graph of which of the following is a straight line?

  • T.E. against displacement
  • P.E. against displacement
  • Acceleration against time
  • Velocity against displacement

  • 3. 
    The period of thin magnet is 4 sec. if it is divided into two equal halves then the time period of each part will be

  • 4 sec
  • 1 sec
  • 2 sec
  • 8 sec

  • 4. 
    If the length of seconds pendulum is increased by 2%, how may seconds it will lose per day?

  • 3427 sec
  • 3727 sec
  • 3927 sec
  • 864 sec

  • 5. 
    Length of a simple pendulum executing simple harmonic motion is increased by 21%. The percentage increase in the time - period of the pendulum of increased length is

  • 10%
  • 1%
  • 21%
  • 42%

  • 6. 
    If a simple harmonic oscillator has got a displacement of 0.02 m and acceleration equal to 2.0 ms-2 at any time, the angular frequency of the oscillator is equal to

  • 10 rad s-1
  • 1 rad s-1
  • 100 rad s-1
  • 1 rad s-1

  • 7. 
    The bob of a simple pendulum is a spherical hollow ball filled with water. A plugged hall near the bottom of the oscillating bob gets suddenly unplugged. During observation, till water is coming out, the time -period of the oscillation would

  • first decrease and then increase to the original value
  • first increase and then decrease to the original value
  • increase towards a saturation value
  • remain unchanged

  • 8. 
    The maximum velocity for particle in SHM is 0.16 m/s and maximum acceleration is 0.64 m/s2. The amplitude is

  • 4 × 10-2 m
  • 4 × 10-1 m
  • 4 × 10 m
  • 4 × 100 m

  • 9. 
    The period of a simple harmonic oscillator is 2 sec. The ratio of its maximum velocity and maximum acceleration is

  • ∏
  • 1/∏
  • 2∏
  • 4

  • 10. 
    If a hole is bored along the diameter of the earth and a stone is dropped into the hole

  • The stone reaches the centre of the earth and stops there
  • The stone reaches the other side of the earth and stops there
  • The stone executes simple harmonic motion about the centre of the earth
  • The stone reaches the other side of the earth and escapes into space
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