The Critical Angle for a Beam of Light Passing from Water

question 6

Multiple Choice

The critical angle for a beam of light passing from water into air is 48.8°. This means that all light rays with an angle of incidence greater than this angle will be

• A) absorbed.
• B) totally reflected.
• C) partially reflected and partially transmitted.
• D) totally transmitted.
• E) totally polarized.

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Definitions:

Meters Per Second

A unit of speed or velocity in the International System of Units (SI), indicating how many meters an object moves in one second.

Quantitative Data

Data that are numeric and typically visualized and analyzed using data tables, calculations, equations, and graphs.

Quantitative Data

Information that can be measured and written down with numbers, often used for statistical analysis or scientific research.

Centimeters Per Year

A unit of measurement that describes the rate of movement of tectonic plates or the growth of geological formations.