Question Detail

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

What characteristic is shared by the decibel, bel, and neper units, according to the document?
Options
A They are all based on the natural logarithm.
B They are all dimensionless.
Correct Answer
C They all refer directly to sound power.
D They are all linear scales.
Correct Answer

Option B is the correct answer.

Detailed Explanation

The text notes, 'Notice that all these units are dimensionless.'

Hint

Consider what happens when you take the ratio of two quantities with the same units; the units cancel out.

Question Info

Course: PHY 104
Topic: Pitch, loudness, quality, timber
Type: Objective
Difficulty: Not specified
Question 428 of 947
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