Two Flat Rectangular Mirrors Are Set Edge to Edge and Placed

question 25

Multiple Choice

Two flat rectangular mirrors are set edge to edge and placed perpendicular to a flat nonreflecting surface.The edges of the two mirrors meet at a 30 $\degree$ angle.A light ray that enters parallel to mirror 2 reflects from mirror 1 and then from mirror 2.The angle of reflection of that ray from mirror 2 is

• A)0\(\degree\).
• B)30\(\degree\).
• C)60\(\degree\).
• D)90\(\degree\).
• E)120\(\degree\).

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Definitions:

Carrageenan

A family of linear sulfated polysaccharides that are extracted from red edible seaweeds and used in the food industry as gelling agents.

Agar

A gelatinous substance derived from seaweed, used as a medium for bacterial growth in laboratory settings.

Thickeners

Substances added to liquids to increase their viscosity without substantially modifying their other properties, often used in food processing and cosmetics.

Apicomplexans

Parasitic protists that reproduce in animal cells.