A set of narrow vertical slits is located a distance D from a screen. The slits are equally spaced and have the same width. The intensity pattern in thefigure is observed when light from a laser passes through the slits, illuminating them uniformly. The screen is perpendicular to the direction of the light.Data: Distance to the screen=2.11 m, Wavelength of light = 620 nm, Distance between tick marks on the intensity figure = 1.70 cm.LA And w w w w wWhat is the spacing between the slits?0.0850m↑Submit Answer Incorrect. Tries 1/12 Previous TriesCalculate the width of the slits.TThere is a fixed relation between wavelength, slit separation, and angle between the first (or second, third etc) order maximum and the centralmaximum. The angle can be determined from the distance to the screen and the separation between the first maximum and the central maximum on thescreen.Submit Answer Tries 0/12If the slit separation is increased by a factor of 4, what would be the distance between the principal peaks on the screen?4.00mHow does the slit separation affect the diffraction pattern?Submit Answer Incorrect. Tries 1/12 Previous Tries

Answered: Image /qna-images/answer/6b62992b-4ebc-4c81-8dc3-c2ce508a9742.jpg

narrow vertical slits is located distance Trom screen. The slits are equally spaced and have the same width. The intensity pattern in figure is observed when light from a laser passes through the slits, illuminating them uniformly. The screen is perpendicular to the direction of the light. Data: Distance to the screen=2.11 m, Wavelength of light = 620 nm, Distance between tick marks on the intensity figure = 1.70 cm. AAA Anhw ww www ww ww h What is the spacing between the slits? 0.0850m There is a fixed relation between wavelength, slit separation, and angle between the first (or second, third etc) order maximum and the central maximum. The angle can be determined from the distance to the screen and the separation between the first maximum and the central maximum on the screen. Submit Answer Incorrect. Tries 1/12 Previous Tries Calculate the width of the slits. Submit Answer Tries 0/12 If the slit separation is increased by a factor of 4, what would be the distance between the principal peaks on the screen? 4.00m How does the slit separation affect the diffraction pattern? Submit Answer Incorrect. Tries 1/12 Previous Tries

narrow vertical slits is located distance Trom screen. The slits are equally spaced and have the same width. The intensity pattern in figure is observed when light from a laser passes through the slits, illuminating them uniformly. The screen is perpendicular to the direction of the light. Data: Distance to the screen=2.11 m, Wavelength of light = 620 nm, Distance between tick marks on the intensity figure = 1.70 cm. AAA Anhw ww www ww ww h What is the spacing between the slits? 0.0850m There is a fixed relation between wavelength, slit separation, and angle between the first (or second, third etc) order maximum and the central maximum. The angle can be determined from the distance to the screen and the separation between the first maximum and the central maximum on the screen. Submit Answer Incorrect. Tries 1/12 Previous Tries Calculate the width of the slits. Submit Answer Tries 0/12 If the slit separation is increased by a factor of 4, what would be the distance between the principal peaks on the screen? 4.00m How does the slit separation affect the diffraction pattern? Submit Answer Incorrect. Tries 1/12 Previous Tries

University Physics Volume 3

17th Edition

ISBN:9781938168185

Author:William Moebs, Jeff Sanny

Publisher:William Moebs, Jeff Sanny

Chapter4: Diffraction

Section: Chapter Questions

Problem 102AP: Radio telescopes are telescopes used for the detection of radio emission from space. Because radio...

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A hydrogen gas discharge lamp emits visible light at four wavelengths, =410 , 434, 486, and 656 nm. (a) If light from this lamp falls on a N slits separated by 0.025 mm, how far from the central maximum are the third maxima when viewed on a screen 2.0 m from the slits? (b) By what distance are the second and third maxima separated for l=486 nm?
(a) What is the smallest separation between two slits that will produce a second-order maximum for any visible light? (b) For all visible light?
An intensity minimum is found for 450 nm light transmitted through a transparent film (n=1.20) in air. (a) What is minimum thickness of the film? (b) If this wavelength is the longest for which the intensity minimum occurs, what are the next three lower values of ? for which this happens?
To save money on making military aircraft invisible to radar, an inventor decides to coat them with a nonreflective material having an index of refraction of 1.20, which is between that of air and the surface of the plane. This, he reasons, should be much cheaper than designing Stealth bombers. (a) What thickness should the coating be to inhibit the reflection of 4.00-cm wavelength radar? (b) What is unreasonable about this result? (c) Which assumptions are unreasonable or inconsistent?
Monochromatic light of wavelength 530 nm passes through a horizontal single slit of width 1.5 m in an opaque plate. A screen of dimensions 2.0m2.0m is 1.2 m away from the slit. (a) Which way is the diffraction pattern spread out on the screen? (b) What are the angles of the minima with respect to the center? (c) What are the angles of the maxima? (d) How wide is the central bright fringe on the screen? (e) How wide is the next bright fringe on the screen?
(a) Find the maximum number of lines per centimeter a diffraction grating can have and produce a maximum for the smallest wavelength of visible light. (b) Would such a grating be useful for ultraviolet spectra? (c) For infrared spectra?
Radio telescopes are telescopes used for the detection of radio emission from space. Because radio waves have much longer wavelengths than visible light, the diameter of a radio telescope must be very large to provide good resolution. For example, the radio telescope in Penticton, BC in Canada, has a diameter of 26 m and can be operated at frequencies as high as 6.6 GHz. (a) What is the wavelength corresponding to this frequency? (b) What is the angular separation of two radio sources that can be resolved by this telescope? (c) Compare the telescope’s resolution with the angular size of the moon.
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.
What is the thickness of the film of Cryolite (R.I.= 1.36) is coated on a glass surface (R.I.=1.55)to increase the transmission of the normally incident light of wavelength 5893 A.U. options a:- 2166 A.U. b:- 1083 A.U. c:- 541 A.U d:- 1200 A.U.
Q1/ A/ Consider a resonator consisting of two concave spherical mirrors both with radius of curvature 4 m and separated by a distance of 1 m. Calculate the minimum beam diameter of the TEMy mode at the resonator center and on the mirrors when the laser oscillation is Art laser wavelength 2=514.5 nm. Then, Find if this cavity is stable or not. B/ One of the mirrors in A is replaced by a concave mirror of 1.5m radius of curvature, calculate the position of minimum beam radius. Then calculate the beam waist and radius of curvature at 150 cm from M1.
An experiment is setup to measure the diameter of the sphere in the diagram using sizing measurements based on interference. A thin piece of glass slab is placed one side of a highly reflective substrate. A yellow light created by Sodium wavelength = 589.3nm having a normally incident. Fringes can be observed on the glass from the interference. With a gap between the two bright fringes is measured to be g = 0.118mm, with an overall length for the setup to be L = 20mm. The setup will be placed in air having n = 1. What is the diameter of the sphere? W
In the figure, first-order reflection from the reflection planes shown occurs when an x-ray beam of wavelength 0.820 nm makes an angle θ = 62.3˚ with the top face of the crystal. What is the unit cell size a0?