science
Grade-4-
Easy
Question
The amplitude of a sound wave represents its _____.
- Loudness
- Pitch
- Speed
- None of these
Hint:
The launching sound of rocket has high amplitude which can make a person deaf.
The correct answer is: Loudness
- Amplitude of a sound wave represents its loudness.
- Frequency of a sound wave represents its pitch.
- So, the correct option is a.
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