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College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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
Transcribed Image Text:Light of wavelength of 550nm is incident perpendicularly on a
diffraction grating. The angle between the two first-order diffraction
maxima on opposite sides of the zeroth-order maximum is 20°.
What is the grating spacing?
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- please answer this questionarrow_forwardThe hydrogen spectrum includes a red line at 656 nm and a blue-violet line at 434 nm. What are the angular separations between these two spectral lines for all visible orders obtained with a diffraction grating that has 5,000 grooves/cm? (In this problem assume that the light is incident normally on the gratings.)arrow_forwardIf 580-nm light falls on a slit 0.05 mm wide, what is the full angular width of the centraldiffraction peak? A single slit 1.0 mm wide is illuminated by 450-nm light. What is the width of the centralmaximum (in cm) in the diffraction pattern on a screen 7.0 m away?arrow_forward
- An astronomer is calibrating a spectrometer that uses a dittraction grating to separate light in order ot increasing wavelength (2,, 1e, and 1). She observes three distinct tirst-order spectral lines at the following respective angles 0, (where m denotes order). 8, = 12.7°, 8, = 14.2°, 0, = 14.9c (a) If the grating has 3,680 qrooves per centimeter, what wavelength (in nm) describes each of these spectral lines? at 8, - 12.70 nm at 6, = 14.2° nm al 8, = 14.9° d = (b) At what angle (in degrees) would each of these lines be found in the second-order spectrum? for 2, 0, - for å, 0, for 2. 8, =arrow_forwardRed light of wavelength of 635nm is used in a diffraction grating experiment. The first bright fringe was formed at y1= 70 cm from the zeroth order on a screen that is located at L= 2m away from the diffraction grating. What is the spacing distance (d) in meters of this diffraction grating?arrow_forwardThe limit to the eye's acuity is actually related to diffraction by the pupil. What is the angle between two just-resolvable points of light for a 7.25 mm diameter pupil, assuming the average wavelength of 554 nm? 0.00534 O angle between two points of light: Take the result to be the practical limit for the eye. What is the greatest possible distance a car can be from a person if he or she can resolve its two headlights, given they are 1.50 m apart? greatest distance at which headlights can be distinguished: m 1.61 Incorrect What is the distance between two just-resolvable points held at an arm's length (0.900 m) from a person's eye? 0.145 distance between two points 0.900 m from a person's eye: m Incorrectarrow_forward
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