alleryStart learning →Sound is produced by
AHeat radiation of a body
BVibration of a body
CMagnetisation of a body
DIonisation of a body
Answer & Solution
Correct answer: B. Vibration of a body
1. The chapter section 8.1 lists three experiments.
2. A rubber string, a wire and a tuning fork all vibrate.
3. When they stop vibrating, the sound stops too.
4. So vibration is the source of sound.
_Source: Selina Concise Physics Class 9, Ch 8 Sound (Mistral OCR'd PDF), section 8.1 experiments_
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