Question Detail

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

What is the loudness in decibels (dB) when the sound intensity (I) is equal to the reference intensity (Io)?
Options
A 1 dB
B 10 dB
C 0 dB
Correct Answer
D Cannot be determined
Correct Answer

Option C is the correct answer.

Detailed Explanation

The text explains, 'When I = Io, L = 10log10(Io/Io) = 10log10(1) = 0 dB. The loudness at this intensity is zero decibel.'

Hint

Recall that log10(1) equals zero.

Question Info

Course: PHY 104
Topic: Pitch, loudness, quality, timber
Type: Objective
Difficulty: Not specified
Question 424 of 947
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