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प्रश्न
State three conditions necessary for hearing sound.
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उत्तर
Necessary conditions for hearing a sound:
- There must be a vibrating body, capable of transferring its energy to its surroundings.
- These must be a material medium to pick the energy and then propagate it in a forward direction.
- There must be a receiver, so as to receive the sound vibrations and then transmit them to the brain for final interpretation, such as the human ear.
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