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  1. Explore the effects of double-slit diffraction. In this simulation written by Fu-Kwun Hwang, select N=2 using the slider and see what happens when you control the slit width, slit separation and the wavelength. Can you make an order go “missing?”

  2. Put up a barrier to explore single-slit diffraction and double-slit interference. Experiment with diffraction through elliptical, rectangular, or irregular apertures. Make waves with a dripping faucet, audio speaker, or laser!

  3. Example 14.1: Double-Slit Experiment Suppose in the double-slit arrangement, d =0.150mm, L =120cm, λ=833nm, and y =2.00cm . (a) What is the path difference δ for the rays from the two slits arriving at point P? (b) Express this path difference in terms of λ. (c) Does point P correspond to a maximum, a minimum, or an intermediate condition?

  4. 13 Ιουλ 2022 · Double-Slit Equation. The separation s of successive fringes is given by: Where: s = separation between successive fringes on the screen (m) λ = wavelength of the waves incident on the slits (m) D = distance between the screen and the slits (m) d = separation between the slits (m)

  5. Two Slit Diffraction Worksheet. 1. Monochromatic light falling on two slits 2.6 10 m apart produces the fourth-order fringe at a 6.4 degree angle. What is the wavelength of the light used?

  6. In this section, we study the complications to the double-slit experiment that arise when you also need to take into account the diffraction effect of each slit. To calculate the diffraction pattern for two (or any number of) slits, we need to generalize the method we just used for a single slit.

  7. Question 1: A Young’s double slit experiment leads to an interference pattern. Then, one of the slits is covered with a glass slide with a thickness such that the waves emerging from this slit are shifted in phase by ˇ radians (or 1/2 a wavelength). What happens to the interference pattern?

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