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प्रश्न
Write the answer in your own words.
What is meant by vibration?
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उत्तर
The rapid oscillations or to-and-fro movements of an object are called vibrations. Vibrating objects have a particular speed.
संबंधित प्रश्न
How does a musician playing on a flute change the pitch of sound produced by it ?
Can sound travel through (a) iron, and (b) water?
What is the general name of the waves consisting of :
(a) compressions and rarefactions?
(b) crests and troughs?
What conclusion can be obtained from the observation that when the prongs of a sound making tuning fork touch the surface of water in a beaker, the water gets splashed?
A tuning fork has a number 256 marked on it. What does this number signify?
What will be the change in the wavelength of a sound wave in air if its frequency is doubled?
A sound producing body is at considerable distance from a man. There can be four different media W, X, Y and Z between the sound producing body and the man. The medium X brings the sound to man most quickly whereas medium Z takes the maximum time. The time taken by medium W in bringing sound to man is less than that of X but more than that of Z. The medium Y, however, fails to bring the sound from the sound producing body to the man. Which medium could be the one :
(a) having on fixed shape and no fixed volume?
(b) having a fixed volume but no fixed shape?
(c) having the same composition as that on the moon?
(d) having a fixed shape and a fixed volume?
A key of mechanical piano is first struck gently and then struck again but much harder this time. In the second case :
The total number of compressions and rarefactions produced per second in a sound wave is 1000. The frequency of the sound wave is __________.
How are different sound notes generated in musical instruments like guitar, which uses strings for sound generation, and flute, which uses blown air for sound generation?
