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प्रश्न
The frequency is measured in second.
विकल्प
True
False
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उत्तर
False.
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संबंधित प्रश्न
State one important property of waves used for echo depth sounding.
In a longitudinal wave, compression and rarefaction are formed.
The quality of a sound depends on the amplitude of wave.
Explain the mechanism of the formation of a longitudinal wave when the source vibrates in the air.
Name the unit in which the loudness of sound is expressed.
State the factors that determine
(a) the pitch of a note.
(b) the loudness of the sound heard.
(c) the quality of the note.
Explain the following and illustrate your answer by drawing appropriate diagram:
Frequency
Which characteristics of sound will change if there is a change in its amplitude and its waveform.
Two waves of the same pitch have their amplitudes in the ratio 2 : 3.
(i) What will be the ratio of their loudness?
(ii) What will be the ratio of their frequencies?
