QUESTION 13 Light of 600 nm wavelength passes through a double slit and forms interference fringes on a screen 1.2 m away. If the slits are 0.2 mm apart, what is the distance between the zeroth and a fourth-order maximum? ОA. 2.64 cm О В. 1.08 сm О.1.44 ст OD.2.84 cm O E. 2.10 cm

QUESTION 13 Light of 600 nm wavelength passes through a double slit and forms interference fringes on a screen 1.2 m away. If the slits are 0.2 mm apart, what is the distance between the zeroth and a fourth-order maximum? ОA. 2.64 cm О В. 1.08 сm О.1.44 ст OD.2.84 cm O E. 2.10 cm

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter3: Interference

Section: Chapter Questions

Problem 38P: What is the angular width of the central fringe of the interference pattern of (a) 20 slits...

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Two slits of width 2 m, each in an opaque material, are separated by a center-to-center distance of 6 m. A monochromatic light of wavelength 450 nm is incident on the double-slit. One finds a combined interference and diffraction pattern on the screen. (a) How many peaks of the interference will be observed in the central maximum of the diffraction pattern? (b) How many peaks of the interference will be observed if the slit width is doubled while keeping the distance between the slits same? (c) How many peaks of interference will be observed if the slits are separated by twice the distance, that is, 12 m, while keeping the widths of the slits same? (d) What will happen in (a) if instead of 450-nm light another light of wavelength 680 nm is used? (e) What is the value of the ratio of the intensity of the central peak to the intensity of the next bright peak in (a)? (f) Does this ratio depend on the wavelength of the light? (g) Does this ratio depend on the width or separation of the slits?
The width of the central peak in a single-slit diffraction pattern is 5.0 mm. The wavelength of the light is 600 nm, and the screen is 2.0 m from the slit. (a) What is the width of the slit? (b) Determine the ratio of the intensity at 4.5 mm from the center of the pattern to the intensity at the center.
(a) How wide is a single slit that produces its first minimum for 633-nm light at an angle of 28.0°? (b) At what angle will the second minimum be?
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Red light of wavelength of 700 nm falls on a double slit separated by 400 nm. (a) At what angle is the first-order maximum in the diffraction pattern? (b) What is unreasonable about this result? (c) Which assumptions are unreasonable or inconsistent?
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