Question about light

  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. G01

    G01 2,698
    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. Thank you.
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