Standing Waves Are Produced by the Interference of Two Traveling

question 5

Multiple Choice

Standing waves are produced by the interference of two traveling sinusoidal waves, each of frequency 100 Hz.The distance from the 2nd node to the 5th node is 60 cm.The wavelength of each of the two original waves is:

• A)50 cm
• B)40 cm
• C)30 cm
• D)20 cm
• E)15 cm

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Definitions:

Marginal Social Cost

The cost to society of producing one additional unit of a good or service, including both the private costs and any external costs.

Oil Refinement

The process of transforming crude oil into useful products like gasoline, diesel, and jet fuel through various physical and chemical treatments.

Pollution Fee

A financial charge applied to entities that emit pollutants, intended to discourage environmental pollution by making it economically costly.

Marginal External Cost

The cost imposed on a third party by the production of an additional unit of a good or service.