A double-slit Young experiment with a separation of 22.6 µm is traversed by blue light whose wavelength is 475 nm. The screen is placed at a distance of 5 m from the slots. (Reminder 1 µm = 1 x 10^-6m) a. Describe the experimental setup for the Young experiment using a drawing showing approximate dimensions. b. Determines the angle of the 3rd shiny fringe. c. Determines the distance between the central maximum and the 2nd dark fring

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Interference of Light

The word "constructive" signifies addition in interference. Constructive interference occurs when the path of the waves that start from the slit differs by 1 entire wavelength or in the intervals of the same. Hence, the waves that are presented on the screen are in phase (crest to crest/trough to trough). The waves interfering constructively forms bright fringes on the screen.