8. A diffraction grating produces a first-order maximum at an angle of 20. What is the angle of the second-order maximum? 9. A diffraction grating is placed 1.00 m from a viewing screen. Light from a hydrogen lamp is passed through the grating, and the 656-nm-wavelength emission line in the hydrogen spectrum is seen 60.0 cm to one side of the center. Then the hydrogen lamp is replaced with a mercury lamp. a. Where does the 546-nm-wavelength emission line in the mercury spectrum fall on the screen? b. A spectral line is seen on the screen 36.4 cm away from the center. What is the wavelength?

8. A diffraction grating produces a first-order maximum at an angle of 20. What is the angle of the second-order maximum? 9. A diffraction grating is placed 1.00 m from a viewing screen. Light from a hydrogen lamp is passed through the grating, and the 656-nm-wavelength emission line in the hydrogen spectrum is seen 60.0 cm to one side of the center. Then the hydrogen lamp is replaced with a mercury lamp. a. Where does the 546-nm-wavelength emission line in the mercury spectrum fall on the screen? b. A spectral line is seen on the screen 36.4 cm away from the center. What is the 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 76P: On a certain crystal, a first-order X-ray diffraction maximum is observed at an angle of 27.1°...

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On a certain crystal, a first-order X-ray diffraction maximum is observed at an angle of 27.1° relative to its surface, using an X-ray source of unknown wavelength. Additionally, when illuminated with a different known wavelength of 0.137 nm, a second-order maximum is detected at 37.3°. Determine a. the spacing between the reflecting planes. b. the unknown wavelength.
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5:01 1 A * all 24% Answered: 1. If 580-n... bartleby.com = bartleby Q&A Sign in Science / Physics / Q&A Libr... /1. If 580-nm light f... 1. If 580-nm light falls on a slit 0.05... Question 1. If 580-nm light falls on a slit 0.05 mm wide, what is the full angular width of the central diffraction peak? 2. A single slit 1.0 mm wide is illuminated by 450-nm light. What is the width of the central maximum (in cm) in the diffraction pattern on a screen 7.0 m away? 3. Monochromatic light of wavelenth 655 nm falls on a slit. If the angle between the first bright fringes on either side of the central maximum os 32 degrees, estimate the slit width. Expert Answer
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