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प्रश्न
Explain why, a ringing bell suspended in a vacuum chamber cannot be heard outside.
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उत्तर
A ringing bell suspended in a vacuum chamber cannot be heard outside because sound wave is an example of mechanical wave and requires material medium for its propagation. Therefore, sound waves cannot travel through vacuum.
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संबंधित प्रश्न
In which medium sound travels fastest : air, water or steel?
Describe an experiment to show that sound cannot pass through vacuum.
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State two properties of medium on which the speed of sound in it depends.
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What is the audible range of frequency?
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