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प्रश्न
Can sound travel through solids and liquids ? In which of these two does it travel faster ?
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उत्तर
Sound travels with the highest speed in - solids.
and Sound travels with the lowest speed in - gases.
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संबंधित प्रश्न
Fill in the blank.
Sound travels faster in ________ than in liquids.
If you want to hear a train approaching from far away, why is it more convenient to put the ear to the track?
What is the speed of sound :
(a) in air?
(b) in water?
(c) in iron?
Fill in the blanks with suitable words .
Wave speed in metres per second equals frequency in ............ multiplied by ..................... in ..................
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
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Establish the relationship between the speed of sound, its wavelength and frequency. If the velocity of sound in air is 340 m s–1, calculate
(i) wavelength when the frequency is 256 Hz.
(ii) frequency when the wavelength is 0.85 m
When temperature increases the speed of sound ______.
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).
