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CBSE
Class 9
Science
Exploration
Sound Waves: Characteristics a...
Question Bank

What is a common threshold for...

Single Answer MCQ
Q-00172276

What is a common threshold for human hearing?

1

0 dB

2

20 dB

3

60 dB

4

120 dB

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What is required for sound to propagate through a medium?

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In which medium does sound travel the fastest?

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When you pluck a string on a guitar, what causes the sound to be produced?

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Q4.

What phenomenon occurs when a sound wave compresses a medium?

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