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4. Green light has a wavelength of approximately 540 nm. When green light is diffracted through a single slit with a width of 2.7 x 10-5 m, the distance on the screen from the centre to the first bright fringe is 2.34 cm. a) Determine the distance between the slit and the screen for this observation to have been made. b) Keeping the same distance between slit and screen, and using the same green light, what width of slit would be needed to double the distance to the first bright fringe.

4. Green light has a wavelength of approximately 540 nm. When green light is diffracted through a single slit with a width of 2.7 x 10-5 m, the distance on the screen from the centre to the first bright fringe is 2.34 cm. a) Determine the distance between the slit and the screen for this observation to have been made. b) Keeping the same distance between slit and screen, and using the same green light, what width of slit would be needed to double the distance to the first bright fringe.

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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Could u plz do question 4 a) and b)
can 4. Green light has a wavelength of approximately 540 nm. When green light is diffracted through a single slit with a width of 2.7 x 105 m, the distance on the screen from the centre to the first bright fringe is 2.34 cm. a) Determine the distance between the slit and the screen for this observation to have been made. b) Keeping the same distance between slit and screen, and using the same green light, what width of slit would be needed to double the distance to the first bright fringe. 5. Light is sent through a diffraction grating (multiple slits). It is found that the 2nd bright band (not including the centre one) is at an angle of 15.3°. The wavelength of the light is 510 nm. Calculate the density of the slits in units of (# slits/cm).
Transcribed Image Text:can 4. Green light has a wavelength of approximately 540 nm. When green light is diffracted through a single slit with a width of 2.7 x 105 m, the distance on the screen from the centre to the first bright fringe is 2.34 cm. a) Determine the distance between the slit and the screen for this observation to have been made. b) Keeping the same distance between slit and screen, and using the same green light, what width of slit would be needed to double the distance to the first bright fringe. 5. Light is sent through a diffraction grating (multiple slits). It is found that the 2nd bright band (not including the centre one) is at an angle of 15.3°. The wavelength of the light is 510 nm. Calculate the density of the slits in units of (# slits/cm).
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