A plane monochromatic light wave is incident on a dou ble
Chapter 37, Problem 9(choose chapter or problem)
A plane monochromatic light wave is incident on a dou ble slit as illustrated in Figure 37.1. (i) As the viewing screen is moved away from the double slit, what happens to the separation between the interference fringes on the screen? (a) It increases. (b) It decreases. (c) It remains the same. (d) It may increase or decrease, depending on the wavelength of the light. (e) More information is required. (ii) As the slit separation increases, what hap pens to the separation between the interference fringes on the screen? Select from the same choices.
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