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:

Intermediate

A temporary species formed during the conversion of reactants into products in a chemical reaction.

NaOH

Sodium hydroxide, a highly caustic base and alkali that is used in several industries, commonly known as lye.

P-Nitrophenol

An organic compound with the formula C6H5NO3, characterized by a phenol group orthogonally bonded to a nitro group, known for its acidic properties.

Benzene

A colorless, flammable liquid hydrocarbon with a strong aroma, consisting of a ring of six carbon atoms with alternating single and double bonds; a fundamental component of organic chemistry.