We are slowed down sound and light waves, a walking bundle of frequencies tuned into the cosmos. We are souls dressed up in sacred biochemical garments and our bodies are the instruments through which our souls play their music – Albert Einstein



Learning Objectives#

In this unit, the student is exposed to

  • waves and their types (transverse and longitudinal)
  • basic terms like wavelength, frequency, time period
  • velocity of transverse waves and longitudinal waves
  • velocity of sound waves
  • reflection of sound waves from plane and curved surfaces
  • progressive waves and their graphical representation
  • superposition principle, interference of waves
  • characteristics of stationary waves, sonometer
  • fundamental frequency, harmonics and overtones
  • intensity and loudness
  • vibration of air column – closed organ pipe, open organ pipe
  • Doppler effect and its applications