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Wavelength and Frequency (Simplified) quiz

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  • What is the speed of light in a vacuum?
    The speed of light in a vacuum is 3.00 x 10^8 meters per second.
  • What is the Greek symbol for wavelength?
    The Greek symbol for wavelength is lambda (λ).
  • How is wavelength defined in terms of a wave?
    Wavelength is the distance from one crest to the next crest or from one trough to the next trough.
  • What units are used to measure wavelength?
    Wavelength is measured in meters (m).
  • What is the Greek symbol for frequency?
    The Greek symbol for frequency is mu (ν), which looks like a curvy v.
  • How is frequency defined for a wave?
    Frequency is the number of waves that pass a point in one second.
  • What units are used to measure frequency?
    Frequency is measured in hertz (Hz) or inverse seconds (s⁻¹).
  • What are the top and bottom parts of a wave called?
    The top of a wave is called the crest, and the bottom is called the trough.
  • How does frequency relate to wavelength at a fixed speed?
    Frequency is inversely proportional to wavelength; as one increases, the other decreases.
  • How does frequency relate to energy?
    Frequency is directly proportional to energy; as frequency increases, energy also increases.
  • What happens to wavelength when frequency increases?
    When frequency increases, wavelength decreases.
  • What happens to energy when frequency decreases?
    When frequency decreases, energy also decreases.
  • How can light be described in terms of its nature?
    Light can be described as both particles (photons) and waves.
  • If a wave has a low frequency, what can you say about its wavelength?
    If a wave has a low frequency, its wavelength is long (large).
  • If a wave has a high frequency, what can you say about its energy?
    If a wave has a high frequency, its energy is also high.