Which of the following produces an interference pattern with a broad central bright fringe with a width twice that of the secondary maximum? Select one: a. Crystalline solid b. Diffraction grating c. Single-slit
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Which of the following produces an interference pattern with a broad central bright fringe with a width twice that of the secondary maximum?
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- 18. A laser beam is incident on a 400 lines per millimeter diffraction grating, The wavelength of the light produced by the laser is 670 nm and the interference pattern is obeerved on a screen that is 3.00 m from the grating. Determine the maximum mber of bright spots that can be obeerved. a) 4 b) 3 c) 8 d) 6 e) 7 that must be app18. In a Young's double-slit experiment, the seventh dark fringe is located 0.025 m to the side of the central bright fringe on a flat screen, which is 1.1 m away from the slits. The separation between slits is 1.4 x 10-4 m. a) What is the wavelength of the light being used? b) at what angle from the central bright fringe will the second-order bright fringe be located?A Young's interference experiment is conducted with orange argon laser light ( 1 = 600 nm). The separation between the slits is 0.30 mm, and the interference pattern appears on a screen 4.5 m away. What is the spacing between the bright fringes? (1 nm = m) 10 а. 1.0Е+4 m b. 2.7E–3 m с. 9.0Е-3 m d. 1.8E–2 m е. 1.8E-2 m
- 6. Structures on a hummingbird feather act like a diffraction grating having 8000 lines per centimeter. What is the angle of the first-order maximum for 488-nm light? 2 7. When red light illuminates a grating with 7000 lines per centimeter, its second maximum is at 62.4°. What is the wavelength of this light?When polychromatic visible light shines through a diffraction grating, the colors seen closest to the central maximum will: A. be visible as the lowest wavelength in the mixture B. be visible as the highest wavelength in the mixture C. be a mixture of the wavelengths present D. Always be white5. Draw the variation of the mean light intensity (l) with respect to the angle of diffraction (teta) if i is due to interference of light of wavelength (lamda) using 2 slits. It is known that each slit has a width of a(- 2 lamda) and the distance between the two slits is d(- 4 lamda).
- 1.) The distance between two slits in a double-slit experiment is 0.0016 mm. What is the angle between the central maximum and the second dark fringe in the interference pattern produced with light having a wavelength of 520 nm?10. Please refer to the Figure which shows the pattern of interference fringes for light of wavelength 609 nm passing through two narrow slits, projected onto a screen a distance of 2.27 m away. The distance on the screen between the centers of two adjacent bright fringes is 1.42 cm. What is the distance between the two slits? 7.79E-05 m 9.74E-05 m 1.75E-04 m 1.27E-04 m