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

question 110

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) \(150 ^ { \circ }\)
• B) \(60 ^ { \circ }\)
• C) \(120 ^ { \circ }\)
• D) \(90 ^ { \circ }\)

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Definitions:

Antitrust Exemption

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Voting Paradox

A situation in collective decision-making where individual preferences do not result in a consistent collective order of preferences, showing the complexity of social choice.

Impossibility Theorem

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