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Homework Help: How to solve this problem?

  1. Dec 8, 2005 #1
    Two slits are 0.158 mm apart. A mixture of red light wavelength = 665 nm and yellow green light wavelength = 565 nm falls on the slits. A flat observation screen is located 2.24 m away What's the distance on the screen between the third order red fringe and the third order yellow green fringe?

  2. jcsd
  3. Dec 8, 2005 #2
    What have you tried to start out with?
  4. Dec 8, 2005 #3
    d is given
    D is give
    wavelenghts are given
    what else you want to solve this problem :-)
  5. Dec 8, 2005 #4
    What formula used for this problem neo143? I'm studying for the physics replacement and there are 15 sample problems

    Thank you,
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