Advertisements
Advertisements
प्रश्न
What is the speed of sound :
(a) in air?
(b) in water?
(c) in iron?
Advertisements
उत्तर
Speed of sound in
(a) air is 344 m/s,
(b) water is 1,500 m/s, and
(c) iron is 5,130 m/s.
APPEARS IN
संबंधित प्रश्न
Two children are at opposite ends of an aluminium rod. One strikes the end of the rod with a stone. Find the ratio of times taken by the sound wave in air and in aluminium to reach the second child.
A stone is dropped from the top of a tower 500 m high into a pond of water at the base of the tower. When is the splash heard at the top? Given, g = 10 m s−2 and speed of sound = 340 m s−1.
Fill in the blank.
Sound travels faster in ________ than in liquids.
Write the approximate speed of sound in steel.
Which term is used to denote a speed greater than the speed of sound?
Explain why, the flash of a gun shot reaches us before the sound of the gun shot.
The maximum speed of vibrations which produce audible sound will be in :
Air temperature in the Rajasthan desert can reach 46°C. What is the velocity of sound in air at that temperature? (V0= 331 ms–1)
On which factors does the speed of sound in the gaseous medium depend?
Numerical problems:
A Sound wave travels at a speed of 344 ms-1. If the wavelength is 1.5 cm, what is the frequency of the Wave? Will it be audible?
