21
QuizMultiple Choice

Topic Test

Question 21 • LA-Physical Science B-CR

Resonance can be used to ____ sound.

Answer
A
change the pitch of
B
reduce
C
reverberate
D
amplify

Explanation

Resonance occurs when an object vibrates strongly at its natural frequency in response to sound waves. This increases the sound’s amplitude, making it louder, so resonance can amplify sound. It does not change the sound’s pitch or simply cause reverberation.

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