Two Plane Mirrors Make an Angle Of $30 ^ { \circ }$

question 30

Multiple Choice

Two plane mirrors make an angle of $30 ^ { \circ }$ with each other. A light ray enters the system and is reflected once off of each mirror. Through what angle is the ray turned?

• A) 60°
• B) 90°
• C) 120°
• D) 150°

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Definitions:

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