Quiz12

  1. Given a double slit with a slit separation of 3.00microns, and normally incident light with wavelength of 500nm. The distance from the slits to the screen is 2.00m . What is the number of bright spots (constructive fringes) and also the number of dark spots on the screen. (Draw and count) INCLUSIVE (include spots at +90 or -90).
    a) 13 and 12
    b) 6 and 5
    c) 6 and 6
    d) 13 and 13
    e) 5 and 6
    No answer given yet
  2. What are the positions of the first and fourth order constructive fringes (distance from the central fringe)? Make sure BOTH answers here are within 5%.
    a) 0.1667m and 0.6667m
    b) 0.3380m and 1.333m
    c) 9.594m and 41.81m
    d) 0.338m and 0.7297m
    e) 0.3334m and 1.789m
    No answer given yet
  3. What is the approximate distance between the first order and second order dark fringes (both dark)?
    a) 0.500m
    b) 0.1667m
    c) 0.3334m
    d) 0.0834m
    e) 0.1000m
    No answer given yet