chapter 7 and 8

1. If a particle is executing simple harmonic motion, then the direction of the acceleration will be

• opposite to the direction of displacement
• in the direction of velocity
• opposite to the direction of restoring force
• towards the direction of displacement

2. The maximum magnitude of the displacement from the equilibrium position is

• period
• frequency
• wavelength
• amplitude

3. In simple harmonic motion, velocity at equilibrium position is

• minimum
• constant
• maximum
• zero

4. At the maximum displacement, which quantity will be zero?

• Potential energy
• Kinetic energy
• Displacement
• Total energy

5. If the oscillation starts from equilibrium, which is the general equation for the displacement?

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• 
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6. The velocity, v of particle moving with simple harmonic motion, at any instant is given by

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• 
• 
• 

7. Which of following is affected the period of a pendulum?

• length
• mass
• velocity
• shape of pendulum

8. The distance from crest to crest in a waveform is

• amplitude
• crest
• frequency
• wavelength

9. The graph displacement-distance in FIGURE 1 can be deduced the value of

• frequency
• wavelength
• period
• velocity

10. The equation for a standing wave is given by y = 2A cos kx sin ωt What is the amplitude of a vibrating particle at any point along the wave motion?

• 2A cos kx
• 2A sin kx
• 2A
• A