A Source Emits Sound at a Fixed Constant Frequency F

question 43

Multiple Choice

A source emits sound at a fixed constant frequency f . If the temperature of the air rises, the frequency you hear is

• A) the same as f.
• B) higher than f.
• C) lower than f.
• D) unrelated to f.

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Definitions:

Explanandum

The phenomenon or event that is explained by a scientific theory or investigation.

Hypothesis

A proposed explanation made on the basis of limited evidence as a starting point for further investigation.

Proposition

A declaration or pronouncement that indicates an evaluation or stance, subject to being correct or incorrect.

Explanandum

An event or phenomenon that is to be explained.