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The intensity on the screen at a certain point in a double-slit interference pattern is 64% 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.

The intensity on the screen at a certain point in a double-slit interference pattern is 64% 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.

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
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The intensity on the screen at a certain point in a double-slit interference pattern is 64% 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.

6- The intensity on the screen at a certain point in a double-slit interference pattern is 64% 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.
Transcribed Image Text:6- The intensity on the screen at a certain point in a double-slit interference pattern is 64% 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.
للقراءة فقط - لا يمكنك حفظ التغییرات إلى هذا الملف. Faculty of Science Fall 2019 - Department of Physics PHYS BAU Tripoli Campus Chapter Interference of light waves 1- A laser beam (A= 632.8 nm) is incident on two slits 0.2 mm apart. How far apart are the bright interference fringes on a screen 5 m away from the double slits? 2- A Young's interference experiment is performed with monochromatic light. The separation between the slits is 0.5 mm, and the interference pattern on a screen 3.3 m away shows the first side maximum 3.4 mm from the center of the pattern. What is the wavelength? 3- In a location where the speed of sound is 354 m/s, a 2000 Hz sound wave impinges on two slits 30 cm apart. a) At what angle is the first maximum located? b) If the sound wave is replaced by 3 cm microwaves, what slit separation gives the same angle for the first maximum? 4- Young's double-slit experiment is performed with 589 nm light and a distance of 2m between the slits and the screen. The tenth interference minimum is observed 7.26mm from the central maximum. Determine the spacing of the slits. 5- Two narrow, parallel slits separated by 0.25 mm are illuminated by green light (A= 546.1 nm). The interference pattern is observed on a screen 1.2 m away from the plane of the slits. Calculate the distance a) from the central maximum to the first bright region on either side of the central maximum b) between the first and second dark bands. 6- The intensity on the screen at a certain point in a double-slit interference pattern is 64% 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. 7- Two slits are separated by 0.18 mm. An interference pattern is formed on a screen 80 cm away by 656.3 nm light. Calculate the fraction of the maximum intensity 0.600cm above the central maximum. >
Transcribed Image Text:للقراءة فقط - لا يمكنك حفظ التغییرات إلى هذا الملف. Faculty of Science Fall 2019 - Department of Physics PHYS BAU Tripoli Campus Chapter Interference of light waves 1- A laser beam (A= 632.8 nm) is incident on two slits 0.2 mm apart. How far apart are the bright interference fringes on a screen 5 m away from the double slits? 2- A Young's interference experiment is performed with monochromatic light. The separation between the slits is 0.5 mm, and the interference pattern on a screen 3.3 m away shows the first side maximum 3.4 mm from the center of the pattern. What is the wavelength? 3- In a location where the speed of sound is 354 m/s, a 2000 Hz sound wave impinges on two slits 30 cm apart. a) At what angle is the first maximum located? b) If the sound wave is replaced by 3 cm microwaves, what slit separation gives the same angle for the first maximum? 4- Young's double-slit experiment is performed with 589 nm light and a distance of 2m between the slits and the screen. The tenth interference minimum is observed 7.26mm from the central maximum. Determine the spacing of the slits. 5- Two narrow, parallel slits separated by 0.25 mm are illuminated by green light (A= 546.1 nm). The interference pattern is observed on a screen 1.2 m away from the plane of the slits. Calculate the distance a) from the central maximum to the first bright region on either side of the central maximum b) between the first and second dark bands. 6- The intensity on the screen at a certain point in a double-slit interference pattern is 64% 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. 7- Two slits are separated by 0.18 mm. An interference pattern is formed on a screen 80 cm away by 656.3 nm light. Calculate the fraction of the maximum intensity 0.600cm above the central maximum. >
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