A Microphone Is Placed at the Node of a Standing

question 15

Multiple Choice

A microphone is placed at the node of a standing sound wave.What does the microphone pick up?

• A)A constant and very high intensity sound.
• B)A constant and very low intensity sound.
• C)A varying high intensity sound.
• D)A varying low intensity sound.
• E)Unable to tell.

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Definitions:

Invested

Assigning monetary assets with the prospect of gaining returns or profit.

Investment Value

The worth of an asset or security based on its potential to generate income, appreciation, or other benefits to an investor.

December

The twelfth and final month of the year in the Gregorian calendar.

Interest

A charge for borrowed money, generally a percentage of the borrowed amount.