Sound Refraction Depends on the Fact That the Speed of Sound

question 3

Multiple Choice

Sound refraction depends on the fact that the speed of sound is

• A) proportional to frequency.
• B) variable.
• C) constant.
• D) inversely proportional to wavelength.
• E) None of the above choices are correct.

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Definitions:

Communist Society

A theoretical economic system characterized by the collective ownership of property and by the organization of labor for the common advantage of all members.

Means of Production

The physical, non-human inputs like factories, machines, and tools required for the production of goods.

Karl Marx

A German philosopher, economist, and revolutionary socialist known for his works on capitalism and communism.

Friedrich Engels

A German philosopher, social scientist, and journalist, who, alongside Karl Marx, co-developed the communist theory.