Question Detail

PHY 104 Wave and sound Objective Question

Question

What is the formula given for the loudness (L) in decibels?
Options
A L = log₁₀(I/I₀)
B L = 10log₁₀(I₀/I)
C L = 10log₁₀(I/I₀)
Correct Answer
D L = I/I₀
Correct Answer

Option C is the correct answer.

Detailed Explanation

On page 19, under 'Pitch, Loudness, Quality/Timbre, Intensity of sound, decibel,' the formula for loudness in decibels is explicitly stated as 'L = 10log₁₀(I/I₀)'.

Hint

Look for the definition and formula for the decibel scale.

Question Info