A Medal in a Plastic Cube Whose Index of Refraction

question 4

Multiple Choice

A medal in a plastic cube whose index of refraction is 1.5 appears to be 20 mm below the upper surface of the cube. The depth of the medal is actually

• A) 10 mm.
• B) 13 mm.
• C) 20 mm.
• D) 30 mm.

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Definitions:

Toilet Trained

The process by which a young child learns to use the toilet for urination and defecation independently.

Sleep-walker

An individual who walks or performs other complex behaviors while in a state of sleep.

Somnambulism

Sleepwalking.

Sleep-walking

A sleep disorder characterized by walking or performing other complex behaviors while in a state of sleep.