An engineer has built a device with two plane mirrors at right angles to one another. He directs a light ray toward Mirror 1, at an incidence angle of ?1 = 35.6°. The light ray travels within a plane that is perpendicular to both mirrors. The ray strikes Mirror 1, as shown below, and is reflected toward Mirror 2, where it undergoes a second reflection before leaving the device. A)How far (in m) does the light ray travel between the two mirrors? B)With what angle of reflection, ?2, measured from Mirror 2's normal line, does the ray depart Mirror 2 after the second reflection in degrees?

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Chapter1: Units, Trigonometry. And Vectors
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An engineer has built a device with two plane mirrors at right angles to one another. He directs a light ray toward Mirror 1, at an incidence angle of ?1 = 35.6°. The light ray travels within a plane that is perpendicular to both mirrors. The ray strikes Mirror 1, as shown below, and is reflected toward Mirror 2, where it undergoes a second reflection before leaving the device.

A)How far (in m) does the light ray travel between the two mirrors?

B)With what angle of reflection, ?2, measured from Mirror 2's normal line, does the ray depart Mirror 2 after the second reflection in degrees?

Light
I beam
Mirror
2
1.25 m4
P.
Mirror
1
Transcribed Image Text:Light I beam Mirror 2 1.25 m4 P. Mirror 1
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