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प्रश्न
Which of the following statement best describes frequency?
पर्याय
the maximum disturbance caused by a wave
the number of complete vibrations per second
the distance between one crest of a wave and the next one
the distance travelled by a wave per second
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उत्तर
Frequency is defined as number of complete vibrations per second.
(b) Number of complete vibrations per second.
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संबंधित प्रश्न
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Assertion: The sound which we hear again is called Echo.
Reason: The sensation of sound (Echo) persists in our brain for about 1 s.
Numerical problems:
An echo returned in 3s. What is the distance of the reflecting surface from the source given that the speed of sound is 330 ms-1?
