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Question: What is the distance between fringes produced by a diffraction grating having 111 lines per centimeter for 575 nm light, if the screen is 1.50 m away?
=____ m
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In a double-slit experiment the distance among slits is5.4 mm and the slits are 1.6 m from the screen. Two interference patterns can be seen on the screen: one due to light with wavelength 450 nm, and the other due to light by wavelength 655 nm.
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