Advertisements
Advertisements
Question
Fill in the blanks with suitable words .
Wave speed in metres per second equals frequency in ............ multiplied by ..................... in ..................
Advertisements
Solution
Wave speed in meters per second equals frequency in hertz multiplied by wavelength in meters.
APPEARS IN
RELATED QUESTIONS
Fill in the blank.
Sound travels faster in ________ than in liquids.
Describe an experiment to show that sound can travel in a solid.
Write the approximate speed of sound in air.
If you want to hear a train approaching from far away, why is it more convenient to put the ear to the track?
Hydrogen gas is filled in two identical bottles, A and B, at the same temperature. The mass of hydrogen in the two bottles is 12 gm and 48 gm respectively. In which bottle will sound travel faster? How many times be as fast as the other?
Why does the flash of lighting reach earlier than the sound of thunder?
The velocity of sound in solid is ______ than the velocity of sound in air.
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?
On which factors does the speed of sound in the solid medium depend?
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).
