Advertisements
Advertisements
प्रश्न
In which of the three media, air, water or iron, does sound travel the fastest at a particular temperature?
Advertisements
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
Describe an experiment to show that sound can travel in a solid.
What is meant by supersonic speed?
Calculate the speed of a sound wave whose frequency is 2 kHz and wavelength 65 cm.
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 :
Nita heard the sound of lightning after 4 seconds of seeing it. What was the distance of the lightning from her?
(The velocity of sound in air is 340 m/s.)
The velocity of sound in air at a particular temperature is 330 ms–1. What will be its value when temperature is doubled and the pressure is halved?
Why does sound travel faster on a rainy day than on a dry day?
Sound travels faster in ______ and slower in ______.
Numerical problems:
Two persons are at opposite ends of a steel rod. One strikes the end of the rod with a stone. Find the ratio of time taken by the sound wave in the air and in steel to reach the second person. (Sound of speed in steel = 5960 ms-1, Sound of speed in air = 344 ms-1).
