Physics
How long will sound take to travel in (a) an iron rail and (b) air, both 3.3 km in length? Take speed of sound in air to be 330 m s-1 and in iron to be 5280 m s-1 .
Related Questions
A boy fires a gun and another boy at a distance hears the sound of fire 2.5 s after seeing the flash. If speed of sound in air is 340 m s-1 , find the distance between the boys.
An observer sitting in line of two tanks, watches the flashes of two tanks firing at each other at the same time, but he hears the sounds of two shots 2s and 3.5s after seeing the flashes. If distance between the two tanks is 510 m, find the speed of sound.
Assuming the speed of sound in air equal to 340 m s-1 and in water equal to 1360 m s-1 , find the time taken to travel a distance 1700 m by sound in (i) air and (ii) water.
The audible frequency range of sound is :
- 5 Hz - 10 kHz
- 10 Hz - 20 kHz
- 20 Hz - 20 kHz
- 25 Hz - 40 kHz