Advertisements
Advertisements
प्रश्न
Explain why, a ringing bell suspended in a vacuum chamber cannot be heard outside.
Advertisements
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.
APPEARS IN
संबंधित प्रश्न
Sound cannot travel in vacuum.
Select the correct alternative :
Sound cannot travel in
Is the speed of sound more in water or in steel?
Describe an experiment to show that sound cannot pass through vacuum.
The propagation of sound does not occur through a ______.
Describe an experiment to prove that a material medium is necessary for the propagation of sound.
How are bats able to avoid obstacles in their way?
State three characteristics of the medium required for the propagation of sound.
Rarefactions are the regions of ______ where particles are spread apart.
The small to and fro motion is called vibration.
