A Sound Wave in Helium Has an Intensity of 1 $\times$

question 85

Multiple Choice

A sound wave in helium has an intensity of 1.00 $\times$ 10^-3 Watts/m².The density of helium is 0.179 kg/m³ and the velocity of sound in helium is 965 m/s.The pressure amplitude of the sound wave is

• A) 0.682 N/m².
• B) 0.520 N/m².
• C) 0.476 N/m².
• D) 0.345 N/m².
• E) 0.276 N/m².

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Definitions:

Ratio Scale

A quantitative scale where there is a true zero point and the intervals between different values are meaningful, allowing for the comparison of absolute magnitudes of the numbers.

Independent Variables

Variables in an experiment or model that are manipulated or selected by the researcher to determine their effect on dependent variables.

Quantitative Data

Information that can be measured and written down with numbers.

Categorical Data

Data that represents characteristics and can categorize inputs into identifiable segments or classes.