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प्रश्न
Which term is used to denote a speed greater than the speed of sound?
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उत्तर
Supersonic is the term used to denote a speed greater than the speed of sound in air.
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संबंधित प्रश्न
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.
Select the correct alternative :
The speed of sound in water is
Guess which sound has a higher pitch:
Fill in the blank and explain.
The velocity of sound in steel is ______ than the velocity of sound in water.
The incidence of ______ in daily life shows that the velocity of sound is less than the velocity of light.
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?
Write the formula for speed of sound in a gas using Laplace correction.
Velocity of sound in the atmosphere of a planet is 500 ms–1. The minimum distance between the sources of sound and the obstacle to hear the echo should be
The velocity of sound is independent of temperature.
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).
