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

question 217

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:

Prime Costs

Direct materials and direct labor costs that are directly associated with the production of goods.

Factory Overhead Costs

Expenses related to operating a factory that cannot be directly traced to specific units produced, such as electricity, maintenance, and rent of the factory space.

Direct Labor Costs

Costs that are directly associated with the production of goods or services, typically wages paid to workers directly involved in manufacturing or production.

Indirect Cost

Expenses that are not directly attributable to a specific cost object, such as overhead costs.