1. The loudness of sound depends on: (a) its amplitude. (b) its frequency. (c) its time period. (d) its speed.
ScienceClass 8CBSEAnswered 28 Mar 2026
Answer
Answer is (a) its amplitude.
Explanation:
Loudness is directly proportional to the amplitude of sound waves. If the amplitude is high then sound will be louder and the sound will be feeble if the amplitude is low.
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