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Waves Revision

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  • Why can sound NOT travel in space?
    Because there is no medium (particles) to travel through
  • Which of the following has the shortest wavelength: Infrared Radiation, Visible Light, Ultraviolet Light
    Ultraviolet Light
  • What is the name of: 3
    Wavelength
  • What is the difference between a longitudinal & transverse wave?
    Longitudinal moves left to right, transverse moves up and down
  • What is the name of: 1
    Amplitude
  • What is the name of: 2
    Crest
  • How does a convex lens bend light?
    Bends light away from the normal
  • What makes a full wave?
    2-4 (Crest to Trough)
  • How does a concave lens bend light?
    Bends light towards a single point
  • What is the Dependent Variable
    Height (Inches)
  • Identify the trend in this data
    As birthdays increases, height also increases
  • What is the Independent Variable
    Birthday (Year)
  • A toaster uses 340J of energy. 300J is used for heat and 40J is used as sound. What is the useful type of energy?
    Heat
  • What is the name of: 4
    Trough
  • A toaster uses 340J of energy. 300J is used for heat and 40J is used as sound. What is the wasted type of energy
    Sound
  • A lightbulb uses 120J of energy. 80J is used as light and 40J is used as Heat. What is the form of wasted energy?
    Heat
  • A lightbulb uses 120J of energy. 80J is used as light and 40J is used as Heat. What is the energy efficiency of the lightbulb
    66%
  • A toaster uses 340J of energy. 300J is used for heat and 40J is used as sound. What is the energy efficiency of the toaster
    88%
  • Which state of matter can sound travel through faster
    Solid
  • A lightbulb uses 120J of energy. 80J is used as light and 40J is used as Heat. What is the useful form or energy?
    Light