Advertisements
Advertisements
प्रश्न
If you place your ear close to an iron railing which is tapped some distance away, you hear the sound twice. Explain why?
Advertisements
उत्तर
Sound travels in iron faster than in air so first the sound travelled in iron rail is heard and then the sound travelled in air is heard.
APPEARS IN
संबंधित प्रश्न
Describe a simple experiment which demonstrates that the sound produced by a tuning fork is due to vibrations of its arms.
Choose the correct word/words to complete the following sentence :
When sound travels in a medium ____________
Why do astronauts talk to each other through radio telephone in space?
Can sound travel through vacuum?
Does sound require a material medium for transmission?
Is the speed of sound different in different media?
How will the following factors affect the speed of sound in air:
Pressure of air.
How will the following factors affect the speed of sound in air:
Temperature of air.
How will the following factors affect the speed of sound in air:
Wind.
State three important uses of echolocation.
