Coherent monochromatic light of wavelength in air is incident on two narrow slits, the centers of which are 2.00 mm apart. The interference pattern observed on a screen 5.00 m away is represented by the drawing below.

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Chapter1: Units, Trigonometry. And Vectors
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Coherent monochromatic light of wavelength  in air is incident on two narrow slits, the centers of which are 2.00 mm apart.  The interference pattern observed on a screen 5.00 m away is represented by the drawing below.

1. At point P in the diagram, there is a minimum in the interference pattern.  Determine the path difference between the light arriving at this point from the two slits.

2. Determine the wavelength of the light.

x (mm)
-5.0m
3.0
Light
(wavelength A)
2.5
2.0
1.5
1.0
0.5
2.0 mm
I
-0.5
--1.0
--1.5
F-2.0
--2.5
-3.0
Screen
Note: Figure not drawn to scale.
Transcribed Image Text:x (mm) -5.0m 3.0 Light (wavelength A) 2.5 2.0 1.5 1.0 0.5 2.0 mm I -0.5 --1.0 --1.5 F-2.0 --2.5 -3.0 Screen Note: Figure not drawn to scale.
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