The Diagram Shows the Passage of a Ray of Light

question 5

Multiple Choice

The diagram shows the passage of a ray of light from air into a substance X. The index of refraction of X is:

• A) 0.53
• B) 0.82
• C) 1.2
• D) 1.9
• E) 3.0

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Definitions:

Marathon

A long-distance running race with an official distance of 42.195 kilometers (approximately 26.219 miles).

Kilometers

Units of length measurement in the metric system, equal to 1,000 meters.

Miles

Miles is a unit of length, most commonly equivalent to 5,280 feet or approximately 1.609 kilometers, used primarily in the United States.

Millimeters

A metric unit of length equal to one thousandth of a meter.