Question Detail

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

If the amplitude of a sound wave is doubled, how much louder does the sound become, according to the text?
Options
A 2 times louder
B 4 times louder
Correct Answer
C 8 times louder
D 10 times louder
Correct Answer

Option B is the correct answer.

Detailed Explanation

The text states: 'The Intensity of a sound wave is directly proportional to the square of its amplitude. If we double the amplitude of a wave, the sound is 4 times louder.'

Hint

Recall the relationship between intensity and amplitude, and how that translates to perceived loudness.

Question Info

Course: PHY 104
Topic: Pitch, loudness, quality, timber
Type: Objective
Difficulty: Not specified
Question 391 of 947
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