Class XI

The length of the second’s pendulum on the surface of earth is 1m. The length of second’s pendulum on the surface of moon, where g is 1/6th the value on earth is
  1. 1/ 6m
  2. 36m
  3. 6m
  4. 1/ 36m
Period of a periodic motion is the ________ interval of time after which the motion is __________.
  1. mean, not repeated
  2. largest, repeated
  3. average, repeated
  4. smallest, repeated
A particle executes S.H.M along a straight line with amplitude ‘A’. The potential energy is maximum when the displacement is
  1. Zero
  2. ±± A/2
  3. ±± A2–√
  4. ±± A
The maximum displacement of a particle executing S.H.M is 1 cm and the maximum acceleration is (1.57)2(1.57)2 cm/sec, then the time period is
  1. 0.25 sec
  2. 4.00 sec
  3. 1.57 sec
  4. 1.5722 sec
A particle is executing S.H.M with an amplitude of 4 cm and time period 12 sec. The time taken by the particle in going from its mean position to a position of displacement equal to 2 cm is T1T1..The time taken from this displaced position of 2 cm to reach the extreme position is T2. Therefore, T1T1/ T2T2 will be
  1. 41276.0
  2. 1/ 3
  3. 1
  4. 2
Time Elapsed

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