Question Detail

PHY 104 Pitch, loudness, quality, timber Objective Question

Question

What is the relationship between a Bel and a decibel (dB)?
Options
A 1 Bel = 10 dB
Correct Answer
B 1 dB = 10 Bel
C 1 Bel = 100 dB
D 1 dB = 0.1 Bel
Correct Answer

Option A is the correct answer.

Detailed Explanation

The text explicitly states, 'The decibel (dB), one-tenth of a Bel, is more often used as the unit of measurement.' If a decibel is one-tenth of a Bel, then one Bel must be equal to ten decibels.

Hint

Recall the meaning of the prefix 'deci-' in units of measurement.

Question Info