(6) A double-slit experiment is performed with light of wavelength 638.Onm. The bright interference fringes are spaced 2.09mm apart on the viewing screen. What will
(6) A double-slit experiment is performed with light of wavelength 638.Onm. The bright interference fringes are spaced 2.09mm apart on the viewing screen. What will the fringe spacing be if the light is changed to a wavelength of 729.0nm? Submit Answer |Tries 0/10 (7) A transparent film (n = 1.27) is deposited on a glass plate (n = 1.52) to form a nonreflecting coating. The film has a thickness that is 1.08E-7 m. What is the longest possible wavelength (in vacuum) of light for which this film has been designed? Submit Answer | Tries 0/10 (8) A soap film (n = 1.33) is 425.5 mm thick and lies on a glass plate (n = 1.52). Sunlight, whose wavelengths (in vacuum) extend from 380 to 750 nm, travels through the air and strikes the film perpendicularly. For which wavelength in this range does destructive interference cause the film to look dark in reflected light? Submit Answer Tries 0/10 (9) A double slit is illuminated simultaneously with orange light of wavelength 644.0 nm and light of an unknown wavelength. The m = 9.00 bright fringe of the unknown wavelength overlaps the m = 5.00 bright orange fringe. What is the unknown wavelength? Submit Answer Tries 0/10 (10) Light from a sodium lamp of wavelength 468.0 nm illuminates two narrow slits. The fringe spacing on a screen 132.0 cm behind the slits is 7.85 mm. What is the spacing between the two slits? Submit Answer Tries 0/10 (11) Three sheets of plastic have unknown indices of refraction. Sheet 1 is placed on top of sheet 2, and a laser beam is directed onto the sheets from above so that it strikes the interface at an angle of 26.7deg with the normal. The refracted beam in sheet 2 makes an angle of 31.0deg with the normal. The experiment is repeated with sheet 3 on top of sheet 2 and, with the same angle of incidence, the refracted beam makes an angle of 36.2deg with the normal. If the experiment is repeated again with sheet 1 on top of sheet 3, what is the expected angle of refraction in sheet 37 Assume the same angle of incidence. Submit Answer | Tries 0/10 Submit All This discussion is closed. Send FeedbackName: Projectile Motion: Candy Launcher Report Analyze your video using Tracker (https://physlets.org/tracker/trackerJS/ ) - each group member is responsible for one video analysis. Screenshot image of your video with a tracked parabolic path. This is a sample. Delete this and add your own. Data Table This is a sample. Delete this and add your own. Columns mass A y (m v. (mis) 0.OSO 0.151 0 274 2 795 4 461 0.067 0.199 0.350 2 900 4.256 0.083 0247 0416 2.697 3.582 D.100 0 289 0 469 2.495 3.475 0 117 0 331 0 532 2 703 2691 0.133 0.379 0.592 2 900 3.218 0 150 0 427 0.639 2. 702 2.747 0.167 0 460 0 684 2 591 2 746 0. 183 0 514 0.730 2 506 2.494 0.200 0.565 0.767 2 592 2.236 0217 0.600 0:805 2.703 2.177 0 233 0 645 0.839 2 599 1.659 0 250 0 687 2 486 1.452 D 267 0.725 0.888 2.543 1.606 D.283 0.771 0.914 2 879 1.470 0 300 0 824 0 937 2 598 0.778 0.317 0.856 0.040 2 208 0.406 D.333 0.898 0.950 2 386 0 350 0.938 0.969 2 309 0 356 0.367 0917 0 062 2 838 0.143 Graphs This is a sample. Delete this and add your own. mass A (, x) mass A [, y 1.5 0 805 0.10 0.15 8.20 0.25 0.30 0.36 040 045 080 050 050 065 0.70 075 6.05 0.10 0.15 0.20 8.25 0.30 0.35 040 846 050 05 068 045 0 70 0.75Name: Calculate: The velocity your catapult projects the gummy bear. Individual Reflection 1. In building your catapult, what are some problems or complications that you had to resolve. 2. How well did your group work together to build the catapult and revise the design?Name: Calculate: The velocity your catapult projects the gummy bear. Individual Reflection 1. In building your catapult, what are some problems or complications that you had to resolve. 2. How well did your group work together to build the catapult and revise the design?Tries 0/10 (10c) What is the third longest wavelength? Tries 0/10 (10d) What is the longest wavelength for a standing wave, in the same length tube, that is open at one end and closed at the other? Tries 0/10 (10e) What is the second longest wavelength? Tries 0/10 (10f) What is the third longest wavelength? Tries 0/10 (#11) sf-prob1442.problem (11) A 2.14m long air column is open at both ends. The frequency of a certain harmonic is 2100Hz, and the frequency of the next higher harmonic is 2625Hz. Determine the speed of sound in the air column. Tries 0/10 (#12) kn-prob2110a.problem (12a) What is the longest wavelength for standing waves on a 594.0 cm long string that is fixed at both ends? Tries 0/10 (12b) What is the second longest wavelength for standing waves? Tries 0/10 (12c) What is the third longest wavelength for standing waves Tries 0/10 (12d) If the frequency of the second-longest wavelength is 54.2 Hz, what is the frequency of the third longest wavelength? Tries 0/10 Printed from LON-CAPAOMSU Licensed under GNU General Public LicenseAssignment 8 - Sound (5) A stretched wire vibrates in its fundamental mode at a fre- (#1) kn-prob2130.problem quency of 450 Hz. What would be the fundamental frequency Due date: Tue Apr 11 11:59:59 pm 2023 (EDT) if the wire were half as long, its diameter were doubled, and its tension were decreased by a factor of two? (1) Two strings are adjusted to vibrate at exactly 331.0 Hz. Then the tension in one string is increased slightly. After- Tries 0/10 ward, 37.00 beats per second are heard when the strings vi- brate at the same time. What is the new frequency of the (#6) cj-prob1702.problem string that was tightened? 6) Two identical speakers, one directly behind the other, are generating a 392 Hz sound wave. What is the smallest Tries 0/10 separation distance between the speakers that will produce destructive interference at the position of a listener standing #2) cj-prob1733a.problem in front of them? The speed of sound in air is 343 m/s. (2a) A string has a linear density of 8.5E-3 kg/m and is under 263 N of tension. The string is 1.5 m long is fixed at both Tries 0/10 ends and is vibrating in the standing wave pattern shown in the drawing. Determine the speed of the traveling waves that (#7) sb-prob1838a.problem make up the standing wave. (7a) When a hollow metal pipe that is open at both ends is cut into two pieces, the lowest resonance frequency in one Tries 0/10 piece is 258 Hz and that for the other is 409 Hz. What lowest resonant frequency would have been produced by the original K length of pipe? Assume the speed of sound in air is 345 m/s. Tries 0/10 (7b) How long was the original pipe? Tries 0/10 (2b) What is the wavelength? (#8) kn-prob2144.problem Tries 0/10 (8) A 102.3 g cord has an equilibrium length of 5.68 m. The (2c) What is the frequency? cord is stretched horizontally to a length of 7.47 m, then vibrated at 28.2 Hz. This produces a standing wave with two Tries 0/10 antinodes. What is the spring constant of the cord? Tries 0/10 (#3) kn-prob2142.problem (3) A heavy piece of hanging sculpture is suspended by a 92.4 cm long, 6.09 g steel wire. When the wind blows hard, the (#9) kn-prob2112a.problem wire hums at its fundamental frequency of 62.4 Hz. What is 9a) A 134.7 cm long, 8.27 g string, fixed at both ends, oscil the mass of the sculpture? lates in its n = 3.00 mode with a frequency of 338.0 Hz and a maximum amplitude of 4.96 mm. What is the wavelength Tries 0/10 of the oscillation? Tries 0/10 (#4) kn-prob2152.problem 4) A 43.8cm long wire with a mass of 3.60g and a tension (9b) What is the tension in the string? of 627.ON passes across the open end of an open-closed tube of air. The wire, which is fixed at both ends, is bowed at Tries 0/10 the center so as to vibrate at its fundamental frequency and generate a sound wave. Then the tube length is adjusted (#10) kn-prob2116a.problem until the fundamental frequency of the tube is heard. What (10a) What is the longest wavelength for standing sound is the length of the tube? (Assume vsound = 340.0m/s) waves in a 134.8cm long tube that is open at both ends? Tries 0/10 Tries 0/10 (10b) What is the second longest wavelength? (#5) sb-prob1822.problem
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