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प्रश्न
Explain why, a ringing bell suspended in a vacuum chamber cannot be heard outside.
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
Cite an experiment to show that sound needs a material medium for its propagation.
Sound can travel through ______.
Is the speed of sound more in water or in steel?
Sound travels in air :
Describe in brief, with the aid of a lebelled diagram, an experiment to demonstrate that a material medium is necessary for propagation of sound.
Answer the following question :
How does the speed of sound differ in different media?
Flash of lightning reaches earlier than the sound of thunder. Explain the reason.
The propagation of sound does not occur through a ______.
When we hear a sound, does any part of our body vibrate? Name the part.
In any medium, as the ______ increases, the speed of sound also increases.
