Question Detail

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

An increase in sound intensity from 10-1 W/m² to 1 W/m² corresponds to an increase in loudness of how many decibels (dB)?
Options
A 1 dB
B 10 dB
Correct Answer
C 100 dB
D 110 dB
Correct Answer

Option B is the correct answer.

Detailed Explanation

The document explicitly calculates this: 'L(10-1 → 1W / m) = 10log10(1 / 10-1) = 10log10(10) = 10 dB'.

Hint

The increase in loudness is calculated by 10log10(Ifinal/Iinitial).

Question Info

Course: PHY 104
Topic: Pitch, loudness, quality, timber
Type: Objective
Difficulty: Not specified
Question 363 of 947
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