Set 9- Light interference an diffraction

Set 9- Light interference an diffraction - Jessica Rose...

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Unformatted text preview: Jessica Rose Haddad- PHY 232 Spring 2007 1 Set 09 (04/03 midnight) Due date: Tue Apr 3 23:59:00 2007 In a double-slit experiment, the angle of the second-order bright fringe is 0.52 o . If the slit separation is 0.11 mm, then what is the wavelength of the light? Tries 0/12 Two narrow slits are illuminated by a laser with a wavelength of 537 nm. The interference pattern on a screen located x = 5.20 m away shows that the fourth-order bright fringe is located y = 5.20 cm away from the central bright fringe. Calculate the distance between the two slits. Tries 0/12 The screen is now moved 0.5 m further away. What is the new distance between the central and the fourth-order bright fringe? Tries 0/12 What is the minimum thickness of coating which should be placed on a lens in order to minimize reflection of 671 nm light? The index of refraction of the coating material is 1.48 and the index of the glass is 1.73. Tries 0/12 Light of wavelength 600 nm shines down on two glass plates, spaced at one end by a thin piece of paper. Looking down on the plates (the figure shows a side view only), 27 bright...
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Set 9- Light interference an diffraction - Jessica Rose...

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