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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
Suppose you and your friend are on the moon. Will you be able to hear any sound produced by your friend?
Cite an experiment to show that sound needs a material medium for its propagation.
Fill in the blank with suitable word.
Sound cannot travel through ____________.
Answer the following question :
How does the speed of sound differ in different media?
A boy fires a gun and another boy at a distance hears the sound of fire 2.5s after seeing the flash. If the speed of sound in air 340 m/s, find distance between the boys.
Does the speed of sound in a gas depend on the pressure of the gas?
Explain the effect of density on the speed of sound.
Name the Sound of the Frequency Given Below:
2000 Hz
The speed of sound is ______ in solids than in liquids
The small to and fro motion is called vibration.
