Advertisements
Advertisements
प्रश्न
The speeds of sound in four different media are given below. Which of the following is the most likely speed in m/s with which the two under water whales in a sea talk to each other when separated by a large distance?
पर्याय
340
5170
1280
1530
Advertisements
उत्तर
The speed of water in sound is 1,530 m/s.
(d) 1,530 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.
Describe an experiment to show that sound can travel in a solid.
Write the approximate speed of sound in water .
A cricket ball is seen to hit the bat first and the sound of hitting is heard a little later. Why?
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.
Why does the flash of lighting reach earlier than the sound of thunder?
Why does sound travel faster on a rainy day than on a dry day?
A strong sound signal is sent from a ship towards the bottom of the sea. It is received back after 1s. What is the depth of sea given that the speed of sound in water 1450 ms–1?
The propagating disturbance that travels in a medium is called a ______.
On which factors does the speed of sound in the solid medium depend?
