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22. Light from two lasers is incident on an opaque barrier with a single slit of width 2.0 x 10¹ m. One laser emits light of wavelength 440 nm and the other is 660 nm. A screen to view the light intensity pattern is 2.0 m behind the barrier. What is the distance from the center of the pattern to the nearest completely dark spot (dark for both colors)? a) 0.33 cm b) 0.66 cm c) 0.99 cm d) 1.65 cm e) 1.32 cm 23. Now only the 660 nm laser is used and a 2nd slit of the same width is made in the barrier. The centers of the slits are 2.0 x 10³ m apart. Approximately how many smaller bright spots are now observable within the central bright region? a) 30 b) 20 c) 12 d) 10 e) 8 24. The 2-slit experiment from the question above is now repeated with only the 440 nm laser. Approximately how many smaller bright spots are observable within the central bright region? a) 30 b) 20 c) 12 d) 10 e) 8

22. Light from two lasers is incident on an opaque barrier with a single slit of width 2.0 x 10¹ m. One laser emits light of wavelength 440 nm and the other is 660 nm. A screen to view the light intensity pattern is 2.0 m behind the barrier. What is the distance from the center of the pattern to the nearest completely dark spot (dark for both colors)? a) 0.33 cm b) 0.66 cm c) 0.99 cm d) 1.65 cm e) 1.32 cm 23. Now only the 660 nm laser is used and a 2nd slit of the same width is made in the barrier. The centers of the slits are 2.0 x 10³ m apart. Approximately how many smaller bright spots are now observable within the central bright region? a) 30 b) 20 c) 12 d) 10 e) 8 24. The 2-slit experiment from the question above is now repeated with only the 440 nm laser. Approximately how many smaller bright spots are observable within the central bright region? a) 30 b) 20 c) 12 d) 10 e) 8

College Physics
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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(numbers 22-24) These three are related - work through in order. 22. Light from two lasers is incident on an opaque barrier with a single slit of width 2.0 x 10ª m. One laser emits light of wavelength 440 nm and the other is 660 nm. A screen to view the light intensity pattern is 2.0 m behind the barrier. What is the distance from the center of the pattern to the nearest completely dark spot (dark for both colors)? a) 0.33 cm b) 0.66 cm c) 0.99 cm d) 1.65 cm e) 1.32 cm 23. Now only the 660 nm laser is used and a 2nd slit of the same width is made in the barrier. The centers of the slits are 2.0 x 10³ m apart. Approximately how many smaller bright spots are now observable within the central bright region? a) 30 b) 20 c) 12 d) 10 e) 8 24. The 2-slit experiment from the question above is now repeated with only the 440 nm laser. Approximately how many smaller bright spots are observable within the central bright region? a) 30 b) 20 c) 12 d) 10 e) 8
Transcribed Image Text:(numbers 22-24) These three are related - work through in order. 22. Light from two lasers is incident on an opaque barrier with a single slit of width 2.0 x 10ª m. One laser emits light of wavelength 440 nm and the other is 660 nm. A screen to view the light intensity pattern is 2.0 m behind the barrier. What is the distance from the center of the pattern to the nearest completely dark spot (dark for both colors)? a) 0.33 cm b) 0.66 cm c) 0.99 cm d) 1.65 cm e) 1.32 cm 23. Now only the 660 nm laser is used and a 2nd slit of the same width is made in the barrier. The centers of the slits are 2.0 x 10³ m apart. Approximately how many smaller bright spots are now observable within the central bright region? a) 30 b) 20 c) 12 d) 10 e) 8 24. The 2-slit experiment from the question above is now repeated with only the 440 nm laser. Approximately how many smaller bright spots are observable within the central bright region? a) 30 b) 20 c) 12 d) 10 e) 8
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