Advertisements
Advertisements
प्रश्न
Fill in the blank.
Sound travels faster in ________ than in liquids.
Advertisements
उत्तर
Sound travels faster in solids than in liquids.
APPEARS IN
संबंधित प्रश्न
A sound wave travels at a speed of 339 m s−1. If its wavelength is 1.5 cm, what is the frequency of the wave? Will it be audible?
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.
Write the approximate speed of sound in water .
A boy on a hill A fires a gun. The other boy on hill B hears the sound after 4 s. If the speed of sound is 330 m s-1, find the distance between the two hills.
If you want to hear a train approaching from far away, why is it more convenient to put the ear to the track?
The speed of highly penetrating ultrasonic waves is :
Fill in the blank and explain.
The velocity of sound in steel is ______ than the velocity of sound in water.
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?
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).
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?
