A double slit device has and unknown slit spacing, d. When light of wavelength 11 =539nm is used, the third interference maximum appears at an angle of2.6°. When light of an unknown wavelength 12 is used, the second interference maximum appears at an angle of 17.1°. Determine the unknown wavelength,12 (in nm). Check correct answer show all work You AnsweredCorrect AnswerA double slit device has and unknown slit spacing, d. When light of wavelengthA₁ =539mm is used, the third interference maximum appears at an angle of2.6°. When light of an unknown wavelength 2 is used, the second interferencemaximum appears at an angle of 17.1°. Determine the unknown wavelength,№2 (in nm).808.55,240.6514 margin of error +/- 1%

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A double slit device has and unknown slit spacing, d. When light of wavelength 11 =539nm is used, the third interference maximum appears at an angle of 2.6°. When light of an unknown wavelength 12 is used, the second interference maximum appears at an angle of 17.1°. Determine the unknown wavelength

A double slit device has and unknown slit spacing, d. When light of wavelength 11 =539nm is used, the third interference maximum appears at an angle of 2.6°. When light of an unknown wavelength 12 is used, the second interference maximum appears at an angle of 17.1°. Determine the unknown wavelength

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 22P: (a) Sodium vapor light averaging 589 nm in wavelength falls on a single slit of width 7.50 m. At...

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The thickness of an aluminum foil is measured using a Michelson interferometer that has its movable mirror mounted on a micrometer. There is a difference of 27 fringes in the observed interference pattern when the micrometer clamps down on the foil compared to when the micrometer is empty. Calculate the thickness of the foil?
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?
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