Question
Asked Dec 27, 2019
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Interference effects are produced at point P on a screen as a result of direct rays from a 5.00 x 102 - nm source and reflected rays off a mirror, as shown in Figure P24.67. If the source is L = 1.00 x 102 m
to the left of the screen and h = 1.00 cm above the mirror, find the distance y (in millimeters) to the first dark band above the mirror.

Screen
- L-
Mirror
Figure P24.67
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Screen - L- Mirror Figure P24.67

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Expert Answer

Step 1

Consider a simplified diagram for the above problem.

Physics homework question answer, step 1, image 1
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Step 2

 Width of the first dark fringe can be expressed as,

Physics homework question answer, step 2, image 1
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Step 3

Substitute the given values in the above equ...

Physics homework question answer, step 3, image 1
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Electromagnetic Waves

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