Advertisements
Advertisements
Question
If you place your ear close to an iron railing which is tapped some distance away, you hear the sound twice. Explain why?
Advertisements
Solution
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
RELATED QUESTIONS
Name the two kinds of waves in form of which sound travels in a medium.
How does the following factor affect, if at all, the speed of sound in air:
Pressure of air
How does the following factor affect, if at all, the speed of sound in air:
Moisture in air
Complete the following sentence :
A longitudinal wave is composed of compression and ____________.
State four differences between the sound wave and the light wave.
Does ultrasonic in a medium travel faster than the audible sound?
How are sound waves produced? How are sound waves transmitted from one place to the other?
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:
Wind.
State three important uses of echolocation.
