1. damped oscilation the directions of the restoring force and the resistive force

2. The displacement y of a particle executing periodic motion is given by y = 4 cos² (t/2) sin (1000t). This expression may be considered to be a result of superposition of the following number of harmonic motions.

3. Spring is pulled down by 2 cm. What is amplitude of motion?

4. One of the two clocks on the earth is controlled by a pendulum and other by a spring. If both the clocks are taken to the moon, then which clock will have the same time - period of the earth?

5. When a particle performing uniform circular motion of radius 10 cm undergoes the SHM, what will be its amplitude?

6. For a magnet of time period T magnetic moment is M, if the magnetic moment becomes one fourth of the initial value, then the time period of oscillation becomes.

7. Time period of simple pendulum of length l and a place where acceleration due to gravity is g is T. what is the period of a simple pendulum of the same length at a place where the acceleration due to gravity is 1.029 is,

8. In the case of forced oscillations, which of the following statements is not true?

9. The motion of a particle executing simple harmonic motion is given by X = 0.01 sin 100p (t + 0.05), where X is in metres ant t in second. The time period in second is

10. In damped oscilation, the angular frequency of the oscillator