Simple harmonic motion and waves-NFE

If the length of a simple pendulum is increased four times, what happens to its time period?

 
 
 
 

In which medium do mechanical waves require a medium to propagate?

 
 
 
 

If the frequency of a wave increases, what happens to its wavelength (assuming speed remains constant)?

 
 
 
 

Which of the following quantities remain constant in simple harmonic motion?

 
 
 
 

The distance between two consecutive crests or troughs of a wave is called:

 

 
 
 
 

What happens to a sound wave when it passes from air to water?

 
 
 
 

Which type of waves can travel in space?

 
 
 
 

A mass attached to a spring is vibrating. What is the relationship between restoring force and displacement?

 
 
 
 

The time period of a simple pendulum is independent of:

 
 
 
 

A vibrating system has a restoring force proportional to displacement. What type of motion does it exhibit?

 
 
 
 

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Related Questions:

  1. What will happen to the frequency of waves in a ripple tank if the time period of the electrical vibrator is decreased? What will happen to the wave speed?
  2. Why do water waves refract at the boundary of shallow water and deep water in a ripple tank experiment?
  3. Under what conditions are waves diffracted the most?
  4. What do you mean by oscillation? Define simple harmonic motion. What are the conditions for a body to perform SHM? Give examples of bodies that perform SHM.
  5. Show that a vibrating mass-spring system performs simple harmonic motion. What is its time period? On what factors does it depend?
  6. Explain the following terms for SHM: Vibration, amplitude, time period, frequency.
  7. Explain that a steel ball dropped from the edge of a shining bowl performs SHM.
  8. What is a simple pendulum? Show that a vibrating simple pendulum performs SHM. What is the formula for the time period of a simple pendulum? On what factors does it depend?
  9. Explain the process of damping. Differentiate between damped and undamped oscillations.
  10. Define the term wave. Explain it with the help of an example. Differentiate between mechanical waves and electromagnetic waves.
  11. Define transverse waves. Discuss its motion with the help of an example. Also define the following terms for transverse waves: Crest, Trough, Wavelength, Frequency, and Time Period.
  12. Define longitudinal waves. Discuss its motion with the help of an example. Also define the following terms for longitudinal waves: Rarefaction, Compression, Wavelength.
  13. Derive the formula for the speed of waves () relating speed, frequency, and wavelength.
  14. Show that frequency and time period of waves are inverse of each other.
  15. What is a ripple tank? Describe its construction and working. Use a ripple tank to study reflection, refraction, and diffraction of water waves.
  16. Why does the acceleration of a simple pendulum increase as it moves away from the equilibrium position?
  17. What is the difference between frequency and time period of a wave?
  18. Why does a simple pendulum have a longer time period on the Moon than on Earth?
  19. How does damping affect oscillatory motion?
  20. What is the significance of wave speed in a medium?

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