Physics
Grade-8
Easy
Question
Which of the following activities would produce the loudest sound?
- Touching a table
- Knocking a table
- Hitting a table hard
- Hitting a table
Hint:
Loudness depends on amplitude.
The correct answer is: Hitting a table hard
- The vibrations produced while hitting a table hard will have more amplitude, than touching it, knocking it or simply hitting it.
- Since loudness depends on amplitude.
- Therefore hitting a table hard produces the loudest sound.
- So, the correct option is c.
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