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[email protected][email protected]@ - Name Class Date ID A quiz4 Multiple Choice...

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Unformatted text preview: Name: Class: Date: ID: A quiz4 Multiple Choice Identtfit the letter ofthe choice that best completes the statement or answers the question. 1. A Young's double—slit apparatus is set up. A screen is positioned 1.60 m from the double slits and the spacing between the two slits is 0.040 0 mm. The distance between alternating bright fringes is 1.42 cm. What is the light source wavelength? (1 nm = 10“9 m) at 710nm _ b. 490nm 9"“9’: "/1, c. 280nm a '5 3' 623 233$ 9” “W = tY/t': w 2‘ 3.88m"w ‘ \. b 2. What is the minimum thickness of a glycerin film (it = 1.47) on which light of wavelength 600 nm shines that results in constructive interference of the reflected light? Assume the film is surrounded from and back by air. a. 75nm @ 102nm it: )‘n/l 1‘- Ara/gm c. 1.50nm t d. 204nm 1 600M“ ., e. 300nm Ln m7- ’ mam“ 3. Two flat glaSS plates are in contact along one end and are separated by a sheet of tissue paper at the other end. A monochromatic source of wavelength 490 nm illuminates the top plate. If 21 dark bands are counted across the top plate, what is the paper thickness? (1 nm = 10"9 m) a. 2.7x10"6m 3L r3 wt. 1‘ LN E M k \0 :1 ’M A b. 3.4x10-6m [5“ P3 0‘ 1 "hi tMr a (C) 4.9 x 10«6 m The PM: emk isth “me. Pave; +19 M: o ’ +1“ d. 5.8 x 10-6 m l .. 1'; .. .. n) M 1 0 . —- -. - 9.0 .. -6 e. 6.3x 10am “T “M‘F‘” ‘ +° 3‘ 7 1’ P“ >7; "if‘lxw —. 4. Light of wavelength 610 nm is incident on a slit of width 0.20 mm and a diffraction pattern is produced on a screen that is 1.5 m from the slit. What is the distance of the second dark fringe from the center of the bright fringe? (1 nm = 10“9 m) a. 0.68cm 1)‘ Ga 0.92cm .1; — Sing, 0. 1.2cm XL .wa ‘0‘ IS d. 1.4cm V1.9: Lyme : 3;. “z 9‘ w ' ' 1M : Ofllhow e. 1.76m “ A a “an, 5. At what angle will the second order maximum occur for a wavelength of 400 nm using a diffraction grating with 10 000 lines per cm? a. 155° .. law '1‘: 0 240 A— moo i0!) w!" b. if 330 SM": 17%: = .‘8 Safe?) 1 av.“ 6. No second order maximum will occur in this case. Name: ID: A 6. A compound microscope has an eyepiece that: 3. uses a real image from the objective as the object and forms its own real image. ® uses a real image from the objective as the object and forms a virtual image. c. uses a virtual image from the objective as the object and forms its own real image. d. uses a virtual image from the objective as the object and forms its own virtual image. 7. The Palomar reflecting telescope has a parabolic mirror with an 80 m focal length. What is the magnification achieved when an eyepiece of focal length 2.5 cm is used? a. 800 b. 1200 “7-35. -: "59,00 c. 1600 50,: (d) 3200 e. 8400 8. A binary star system in the constellation Orion has an angular separation between the stars of 10'5 radians. Assuming a wavelength of 500 nm, What is the smallest aperture (diameter) telescope that will just resolve the two stars? (1 nm = 10-9 m) a. 3.0cm e >\ b. 4.2cm .. ((3; 6.10m ' /D d. 12.6cm e. 18.00m b H L1)_Sooy‘\~u % " f h (L ( an 10'“3 ...
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