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

question 106

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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An outbreak of a disease that spreads rapidly and affects a large number of individuals within a population, community, or region.

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