Class 10 Physics | Waves


Nov 16-28 (4 periods)


Instructional objectives

Students should be able to:

  • Demonstrate understanding that waves transfer energy without transferring matter
  • Describe what is meant by wave motion as illustrated by vibration in ropes and springs and by experiments using water waves
  • Use the term wavefront
  • Give the meaning of speed, frequency, wavelength and amplitude
  • Distinguish between transverse and longitudinal waves and give suitable examples
  • Recall and use the equation v = f λ

Teaching Process

  • Discuss the mechanism of generation of a wave.
  • Show how waves transfer energy without the transfer of matter.
  • Discuss the importance of the terms wavelength, amplitude, frequency, time period
  • Discuss the difference between mechanical and non-mechanical waves
  • Discuss the difference between transverse and longitudinal waves
  • Derive v = f λ


  • demonstration of non-transfer of matter, by showing how a floating ball on water only moves up and down as a ripple passes it.
  • Demonstrate transverse and longitudinal waves in a slinky
  • Derive v = f λ by making them do a mexican wave

Assignments / Evaluation

  • Numerical problems
  • Written test
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