College Physics (10th Edition)
10th Edition
ISBN: 9780321902788
Author: Hugh D. Young, Philip W. Adams, Raymond Joseph Chastain
Publisher: PEARSON
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Chapter 26, Problem 8P
Young's experiment is performed with light of wavelength 502 nm from excited helium atoms. Fringes are measured carefully on a screen 1.20 m away from the double slit, and the center of the 20th fringe (not counting the central bright fringe) is found to be 10.6 mm from the center of the central bright fringe. What is the separation of the two slits?
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Young’s experiment is performed with light from excited helium atoms 1λ= 502 nm2. Fringes are measured carefully on a screen 1.20 m away from the double slit, and the center of the 20th fringe (not counting the central bright fringe) is found to be 10.6 mm from the center of the central bright fringe. What is the separation of the two slits?
Fringes in the Thomas Young experiment are produced using sodium light of wavelength 495 nm and two slits which are 1.2 mm apart. If the fringes are formed on a screen 1.0 m away from the slits, how far is the third order bright fringe from the middle of the screen? Give your answer in millimeters (mm).
Young’s experiment is performed with light from excited helium atoms (l = 502 nm). Fringes are measured carefully on a screen 1.20 m away from the double slit, and the center of the 20th fringe (not counting the central bright fringe) is found to be 10.6 mm from the center of the central bright fringe. What is the separation of the two slits?
Chapter 26 Solutions
College Physics (10th Edition)
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- if the distance between the slits is doubled in Youngs experiment, what happens to the width of the central maximum? (a) The width is doubled. (b) The width is unchanged. (c) The width is halved.arrow_forwardCoherent light rays of wavelength strike a pair of slits separated by distance d at an angle 1, with respect to the normal to the plane containing the slits as shown in Figure P27.14. The rays leaving the slits make an angle 2 with respect to the normal, and an interference maximum is formed by those rays on a screen that is a great distance from the slits. Show that the angle 2 is given by 2=sin1(sin1md) where m is an integer.arrow_forwardConsider the single-slit diffraction pattern for =600 nm, D=0.025 mm , and x=2.0 m. Find the intensity in terms of Io at =0.5 , 1.0°, 1.5°, 3.0°, and 10.0°.arrow_forward
- Young’s experiment is performed with light from excited helium atoms (λ= 502 nm) Fringes are measured on a screen 1.20m away from the double slit, and the center of the 20th fringe (not counting the central fringe) is found to be 10.6. mm from the center of the central bright fringe. What is the separation of the two slits?arrow_forwardIn a Young's double-slit experiment, the separation between slits is d and the screen is a distance R from the slits. R is much greater than d and > is the wavelength of the light. The number of bright fringes per unit width on the screen is: d/RX R/dλ Rd/λ X/Rd Rλ/darrow_forwardYoung's experiment is performed with light from excited helium atoms with a wavelength of 502 nm. Fringes are carefully measured on a screen 1.20 meters away from the double slit, and the distance from the central fringe to the 3rd fringe (m=3) is found to be 10.6 mm. What is the separation of the two slits? (Give your answer in micrometers.) Answer: Two slits spaced 0.15 mm apart are placed 75.0 cm from a screen. An interference pattern is observed on the screen with adjacent bright fringes spaced 2.75 mm apart. What is the wavelength of the light? (Give your answer in nm.) Answer: Coherent light that contains two wavelengths, 660 nm (red) and 470 nm (blue), passes through two narrow slits that are separated by 0.300 mm. Their interference pattern is observed on a screen 4.00 m from the slits. What is the distance on the screen between the first order bright fringes for the two wavelengths? (Give your answer in mm.) Answer: Coherent light with wavelength 600 nm passes through two very…arrow_forward
- Young's experiment is performed with light from excited helium atoms λ = 500 nm. Fringes are measured carefully on a screen 1.2 m away from the double slit, and the center of the 20th bright fringe is found to be 10.6 mm from the center of the central bright fringe and at an angle above the central axis. is given by (CONSIDER THAT IS SMALL): a) b) 0 0.0106 1.2 d 1.2 0.0106 Calculate , in SI units. Ay = c) the >rture Assume 0 = 0.28°. Find the separation distance d between the two slits of the aperture screen, in SI units. + + O1.2 x 500 x 10 -9 d -Assume d = 5.4 x 10-3 m. What is the distance Ay between the second and third dark lines of interference pattern on the screen, in SI units?arrow_forwardCoherent microwave light with a frequency f= 2.0*1010 Hz is incident on a d=5.0 cm double slit barrier, producing an interference pattern of a number of maxima and minima. A detector is free to swing around the full 180 degrees in order to find the presence of intereference maxima and minima. How many different minima will this detector detect, as it is allowed to swing around the full 180 degrees? Include minima on both sides of the centerkine in your count.arrow_forwardIn a different Young’s experiment with 488 nm light the second dark fringe is1.2×10−3m away from the center of the central bright fringe. The screen is 1.2 mfrom the slits. What is the separation of the slits?arrow_forward
- In a Young's double-slit experiment, light of wavelength 611 nm illuminates two slits which are separated by 1.00 mm. Bright fringes are seen on a screen at a distance of 5.00 m from the slits. Calculate the separation distance in units of mm, between adjacent bright fringes.arrow_forwardA diffraction grating is 3 cm long and has 3000 slits. White light shines through it and creates fringes on a screen 0.7 m away. The first fringe of the color pewter appears 3.4 cm from the central white fringe. What wavelength is this pewter light (in nanometers, nm)arrow_forwardChapter 35, Problem 019 Suppose that Young's experiment is performed with light of wavelength 497 nm. The slits are 1.74 mm apart, and the viewing screen is 4.51 m from the slits. How far apart are the bright fringes in meters? Number Units Use correct number of significant digits; the tolerance is +/-2%arrow_forward
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