Advertisements
Advertisements
प्रश्न
In which of the three media, air, water or iron, does sound travel the fastest at a particular temperature?
उत्तर
The speed of sound depends on the nature of the medium. Sound travels the fastest in solids. Its speed decreases in liquids and it is the slowest in gases. Therefore, for a given temperature, sound travels fastest in iron.
APPEARS IN
संबंधित प्रश्न
Select the correct alternative :
The speed of sound in water is
Guess which sound has a higher pitch:
If you want to hear a train approaching from far away, why is it more convenient to put the ear to the track?
Calculate the frequency of a wave whose time-period is 0.02 s.
A worker lives at a distance of 1.32 km from the factory. If the speed of sound in air be 330 m/s, how much time will the sound of factory siren take to reach the worker?
If the speed of a wave is 340 m/s and its frequency is 1700 Hz, then λ for this wave in cm will be :
The drawing shows a ship 800 m from a cliff. A gun is fixed on the ship. After 5 seconds the people at the front of the ship hear the sound of the gun again.
(a) What is the name of this effect ?
(b) What happens to the sound at the cliff ?
(c) How far does the sound travel in 5 seconds ?
(d) Calculate the speed of sound.
Helium gas is filled in two identical bottles A and B. The mass of the gas in the two bottles is 10 gm and 40 gm respectively. If the speed of sound is the same in both bottles, what conclusions will you draw?
The velocity of sound is independent of temperature.
The propagating disturbance that travels in a medium is called a ______.
