Figure 27.55 This double slit interference pattern also shows signs of single slit interference. (credit: PASCO)
Figure 27.55 This double slit interference pattern also shows signs of single slit interference. (credit: PASCO)
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Figure 27.55 shows the central part of the interference pattern for a pure wavelength of red light projected onto a double slit. The pattern is actually a combination of single slit and double slit interference. Note that the bright spots are evenly spaced. Is this a double slit or single slit characteristic? Note that some of the bright spots are dim on either side of the center. Is this a single slit or double slit characteristic? Which is smaller, the slit width or the
separation between slits? Explain your responses.
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