Longitudinal and Transverse Waves

• What are the two types of mechanical waves?

  Transverse and longitudinal waves
• How can the type of wave be determined?

  By the direction of oscillations relative to wave travel
• What is a transverse wave?

  Particles oscillate perpendicular to wave travel

  
• What features do transverse waves show?

  Areas of crests and troughs

  
• Can transverse waves be polarized?

  Yes, transverse waves can be polarized
• What is a longitudinal wave?

  Particles oscillate parallel to wave travel
• What features do longitudinal waves show?

  Areas of compressions and rarefactions

  
• What are compressions in longitudinal waves?

  Regions of increased pressure
• What are rarefactions in longitudinal waves?

  Regions of decreased pressure

  
• How is energy transmitted through longitudinal waves?

  Particles vibrate as they gain energy
• What is a wavelength in a longitudinal wave?

  Distance between two compressions or rarefactions

  
• What should students remember about wave definitions for exams?

  • Definitions of transverse and longitudinal waves
  • Key characteristics of each wave type

  
• How can waves be demonstrated through physical objects?

  Through vibrations in ropes or springs

  
• What distinguishes transverse waves from longitudinal waves?

  Direction of oscillations relative to wave travel

  
• What are the characteristics of oscillations in waves?

  • Perpendicular oscillations: Transverse waves
  • Parallel oscillations: Longitudinal waves