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Question about light

  1. Jan 21, 2008 #1
    [SOLVED] question about light

    1. The problem statement, all variables and given/known data
    True or False question
    5. If a Young’s double-slit apparatus, having operated in
    air, were to be submerged in water, the fringe pattern
    would become less spread out.

    2. Relevant equations

    3. The attempt at a solution
    What i think they mean: does the wavelength become shorter when light is traveling in a slower medium?

    What i don't know is does the frequency of light stay constant regardless of the medium?
    If yes, then the statement is true.
  2. jcsd
  3. Jan 21, 2008 #2


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    Homework Helper
    Gold Member

    Yes, the frequency is constant regardless of medium. The frequency of a wave only depends on the oscillations of the source of the wave.
  4. Jan 21, 2008 #3
    Thank you.
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