The Critical Angle for a Substance in Air Is Measured

question 55

Multiple Choice

The critical angle for a substance in air is measured at 53.7°.If light enters this substance from air at 45.0° with the normal,at what angle with the normal will it continue to travel?

• A)34.7°
• B)45.0°
• C)53.7°
• D)It will not continue,but will be totally reflected.

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Definitions:

Means of Production

The tools, machinery, facilities, and resources used to produce goods and services, often discussed in the context of economic systems and ownership.

Communism

A system of government that eliminates private property; it is the most extreme form of socialism, because all citizens work for the government and there are no class distinctions.

Extreme Form

A manifestation of a phenomenon or condition at its most intense or severe degree.

Socialism

An economic and political system where the production, distribution, and exchange of goods and services are regulated or owned by the community as a whole or the state.