Question Detail

PHY 104 Pitch, loudness, quality, timber Objective Question
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Question

According to the text, which of the following statements about the units of sound intensity (decibel, neper, bel) is true?
Options
A They are all dimensional units.
B Only decibel is dimensionless.
C They are all dimensionless units.
Correct Answer
D They measure absolute intensity, not ratios.
Correct Answer

Option C is the correct answer.

Detailed Explanation

The text explicitly states: 'Notice that all these units are dimensionless.'

Hint

Look for a statement regarding the 'dimension' of the units decibel, neper, and bel.

Question Info

Course: PHY 104
Topic: Pitch, loudness, quality, timber
Type: Objective
Difficulty: Not specified
Question 389 of 947
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