CBSE Class 8 Answered
how do we hear sound
Asked by Manvi Raghuvanshi | 24 Aug, 2015, 06:52: PM
Expert Answer
- Sound is produced and heard when a body vibrates in a medium.
- The vibrations of the body cause vibrations in the particles of the medium which travel in the form of waves.
- When these vibrations reach our ears, sound is heard.
- Our ears are sensitive only to a limited range of frequencies: 20 Hz to 20,000 Hz.
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