Longitudinal & Transverse Waves

• What are the basics of waves discussed in the video?

  Labeling parts, calculating speed, wave types
• What do waves transfer from one place to another?

  Energy
• Do waves transfer matter?

  No, they do not transfer matter
• How does our brain interpret energy from waves?

  By building images and tunes
• What is the displacement in a wave graph?

  Distance from the equilibrium point
• What is the maximum displacement of a wave called?

  Amplitude
• What is the distance of one entire oscillation called?

  Wavelength
• What is the opposite of the crest in a wave?

  Trough
• What does a displacement time graph show?

  Time on the x-axis instead of distance
• What is the time period of a wave?

  Time for one complete oscillation
• How do you calculate frequency from the time period?

  Frequency = 1 / time period
• If the time period is 0.5 seconds, what is the frequency?

  2 Hz
• If the frequency is 4 Hz, what is the time period?

  0.25 seconds
• How do you calculate wave speed?

  Wave speed = wavelength × frequency
• What is the wave speed of a sound wave with a frequency of 400 Hz and wavelength of 70 cm?

  280 m/s
• What is the unit for measuring frequency?

  Hertz
• What are transverse waves?

  Oscillations are perpendicular to energy transfer
• What are examples of transverse waves?

  Light waves, water waves, guitar strings
• What are longitudinal waves?

  Oscillations are parallel to energy transfer
• What are examples of longitudinal waves?

  Sound waves, seismic P-waves
• What are the key differences between transverse and longitudinal waves?

  • Transverse waves: oscillations perpendicular to energy transfer
  • Longitudinal waves: oscillations parallel to energy transfer
  • Examples:
  • Transverse: light waves, water waves
  • Longitudinal: sound waves, seismic P-waves
• How do waves transfer energy without transferring matter?

  • Waves vibrate or oscillate
  • Energy moves through the wave
  • Matter remains in place
• How do you convert wavelength from centimeters to meters?

  • Divide by 100
  • Example: 70 cm = 0.7 m
• What is the significance of amplitude in wave behavior?

  • Indicates maximum displacement
  • Affects wave energy and intensity
• What is the relationship between frequency and time period?

  • Frequency = 1 / time period
  • Time period = 1 / frequency