The Intensity of the Waves from a Point Source at a Distance

question 82

Multiple Choice

The intensity of the waves from a point source at a distance d from the source is I.At what distance from the sources is the intensity equal to 2I?

• A)d/2
• B)d/
• C)d/4
• D)d/8

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Definitions:

Investments

The act of allocating resources, usually money, with the expectation of generating an income or profit.

Risk-averse

Describes an individual's preference for certainty or guaranteed outcomes over uncertainty or potential losses.

Marginal Utility

The additional satisfaction a consumer gains from consuming one more unit of a good or service.

Income

The money received, especially on a regular basis, for work or through investments.