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HomeCBSE Class 9sciencesoundwaves › The LOUDNESS of a sound depends on the wave's:

The LOUDNESS of a sound depends on the wave's:

AFrequency, with higher frequency giving louder sound
BSpeed, with faster waves being louder
CWavelength, with longer waves being louder
DAmplitude, with higher amplitude giving louder sound
Answer & Solution
Correct answer: D. Amplitude, with higher amplitude giving louder sound
Loudness depends on the amplitude of the sound wave: higher amplitude = louder sound. Pitch (not loudness) depends on frequency.
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