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प्रश्न
What is the speed of sound :
(a) in air?
(b) in water?
(c) in iron?
उत्तर
Speed of sound in
(a) air is 344 m/s,
(b) water is 1,500 m/s, and
(c) iron is 5,130 m/s.
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संबंधित प्रश्न
Write the approximate speed of sound in water .
Which of the following is the speed of sound in copper and which in aluminium?
(a) 5100 m/s
(b) 1500 m/s
(c) 3750 m/s
Which of the following travels slowest in air and which one fastest? Supersonic aircraft, Light, Sound
Which term is used to denote a speed greater than the speed of sound?
What is the time-period of a tuning fork whose frequency is 200 Hz?
Write the formula for speed of sound in a gas using Laplace correction.
Why does the flash of lighting reach earlier than the sound of thunder?
Why does sound travel faster on a rainy day than on a dry day?
An ultrasonic wave is sent from a ship towards the bottom of the sea. It is found that the time interval between the transmission and reception of the wave is 1.6 seconds. What is the depth of the sea, if the velocity of sound in the seawater is 1400 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?
