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

question 50

Multiple Choice

A sound wave in water has an intensity of 1.00 $\times$ 10^-3 Watts/m².The density of water is 1,000 kg/m³ and the velocity of sound in water is 1,482 m/s.The pressure amplitude of the sound wave is

• A) 60.2 N/m².
• B) 54.4 N/m².
• C) 49.5 N/m².
• D) 42.5 N/m².
• E) 39.5 N/m².

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Definitions:

Alpha

In statistics, the threshold of probability at which the null hypothesis is rejected, often set at 0.05 or 5%.

Type I Error

The error that occurs in hypothesis testing when a true null hypothesis is incorrectly rejected, falsely indicating a significant effect or difference.

Alpha

A threshold value used in hypothesis testing that defines the maximum probability of committing a Type I error.

Type I Error

The erroneous dismissal of a true null hypothesis, often referred to as a "false positive."