9. • Coherent light of frequency 6.32 x 10" Hz passes through two thin slits and falls on a screen 85.0 cm away. You observe that the third bright fringe occurs at 3.11 cm on either side of the central bright fringe. (a) How far apart are the two slits? (b) At what distance from the central bright fringe will the third dark fringe occur?

9. • Coherent light of frequency 6.32 x 10" Hz passes through two thin slits and falls on a screen 85.0 cm away. You observe that the third bright fringe occurs at 3.11 cm on either side of the central bright fringe. (a) How far apart are the two slits? (b) At what distance from the central bright fringe will the third dark fringe occur?

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter36: Wave Optics

Section: Chapter Questions

Problem 4P

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Similar questions

In a Youngs double-slit experiment, a set of parallel slits with a separation of 0.100 mm is illuminated by light having a wave- length of 589 nm, and the interference pattern is observed on a screen 4.00 m from the slits, (a) What is the difference in path lengths from each of the slits to the location of a third-order bright fringe on the screen? (b) What is the difference in path lengths from the two slits to the location of the third dark fringe on the screen, away from the center of the pattern?
Suppose the single slit in Figure 38.4 is 6.00 cm wide and in front of a microwave source operating at 7.50 GHz. (a) Calculate the angle for the first minimum in the diffraction pattern. (b) What is the relative intensity l/lmax at 0 =- 15.0? (c) Assume two such sources, separated laterally by 20.0 cm, are behind the slit. What must be the maximum distance between the plane of the sources and the slit if the diffraction patterns are to be resolved? In this case, the approximation sin tan 8 is not valid because of the relatively small value of a/.
Figure 27.34 shows two 7.50-cm-long glass slides illuminated by pure 589-nm wavelength light incident perpendicularly. The top slide touches the bottom slide at one end and rests on some debris at the other end, forming a wedge of air. How thick is the debris, if the dark bands are 1.00 mm apart?
An American standard analog television picture (non-HDTV), also known as NTSC, is composed of approximately 485 visible horizontal lines of varying light intensity. Assume your ability to resolve the lines is limited only by the Rayleigh criterion, the pupils of your eyes are 5.00 min in diameter, and the average wavelength of the light coming from the screen is 550. nm. Calculate the ratio of the minimum viewing distance to the vertical dimension of the picture such that you will not be able to resolve the lines.
The intensity on the screen at a certain point in a double- slit interference pattern is 64.0% of the maximum value. (a) What minimum phase difference (in radians) between sources produces this result? (b) Express this phase difference as a path difference for 486.1-nm light.
(a) Sodium vapor light averaging 589 nm in wavelength falls on a single slit of width 7.50 m. At what angle does it produces its second minimum? (b) What is the highest-order minimum produced?
#8 Inteference and Diffraction is incident on a double slit configuration where the distance between the slits is 2.00 x 10-4 m. The resulting is projected on a distant screen. Coherent light with a wavelength of 520 nm a. Describe the pattern of fringes which result. State briefly what causes the major fea- tures (i.e. bright and dark lines). b. Calculate the angle to the first order maximum from the central maximum.
1) In Young's double slit experiment, BRIGHT fringes occurs when the path differences is given by which multiple of wavelength? A. 0, 0.5, 1, 1.5, etc. B. 0, 1, 2, 3, 4, etc. C. 0.2, 1.2, 2.2, etc. D. 0.3, 1.3, 2.3, etc. E. 0.5, 1.5, 2.5, etc. 2) Electrons can have a wavelength of 0.00388 nm (wave-particle duality), blue light can have a wavelength of 450 nm (the minimum wavelength in the visible spectrum), while red light can have a wavelength of 750 nm (the maximum wavelength in the visible spectrum). With the aid of a "microscope," which of them would produce the most detailed view of very tiny objects, e.g. red blood cells? A. Red light only. B. Blue light only. C. Electrons only. D. Both red and blue light. E. Both blue light and electrons 3) A polarizer is used to view a certain light. Then, after rotating the polarizer at a certain angle while viewing the light, there is no more light that passes through. What does this imply? A. Rayleigh's limit is at work. B. The viewed…
750-nm light falls on a slit of width 0.02-mm. (A) What is the angular width of the central maxima (B) What is the linear width of the central maxima if the viewing screen is 4.2-m away from the slit?
3) A double-slit experiment has slit spacing 0.10 mm. What should be the slit-to-screen distance L if the bright fringes are to be 4.0 mm apart when the slits are illuminated with 633-nm laser light?
5) What wavelength monochromatic source in the visible region (390 to 710 nm) can be used to constructively reflect off a soap film (n = 1.46) if the film is 214 nm thick? lambda' = lambda/n there is a shift in wavelength in thin films. You need to use lambda' and use with thickness for path difference path difference = 2t
4. What is the wavelength of light falling on double slits separated by 2.00 µm if the second- order maximum is at an angle of 60.0°? 5. Calculate the distance between two adjacent fringes for 633-nm light falling on double slits separated by 0.0800 mm, located 3.00 m from a screen.