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प्रश्न
Two identical guitars are played by two persons to give notes of the same loudness and pitch. Will they differ in quality? Give reason for your answer.
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उत्तर १
उत्तर २
Because their waveforms are different, yes, their quality is different.
संबंधित प्रश्न
The ratio of the amplitudes of two waves is 3 : 4. What is the ratio of their loudness?
State the safe limit of sound level in terms of decibel for human hearing.
The pitch of sound depends on frequency.
Decibel is the unit of pitch of a sound.
What is longitudinal wave?
Obtain relationship between the time period and frequency.
State three factors on which loudness of sound heard by a listener depends.
Standing at a distance, how is it possible to detect the filling of bucket under a water tap by hearing the sound?
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:
Pitch
When a gun is fired at a distance, why is it that the flash is seen almost instantaneously while the sound is heard a little later?
What is meant by the ‘pitch’ of a note? Does it depend on the loudness or ‘quality’ of the ‘note’? How is pitch ‘related’ with frequency?
Two musical notes of the same pitch and loudness are played on a violin and a piano. Their waveforms are as shown in the figure below:
The frequency of the stretched string of a fixed length is f when it is plucked in the middle. Where should it be plucked so that string vibrates with frequency (i) 2f, (ii) 3f?
Draw diagrams to show these vibrations and name them.
If ______ of sound is decreased, its loudness also decreases.
The loudness of a sound depends on its pitch.
