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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
Name the phenomenon that causes a loud sound when the stem of a vibrating tuning fork is kept pressed on the surface of a table.
State two conditions for an echo to take place
The quality of a sound depends on the amplitude of wave.
Name the unit in which the loudness of sound is expressed.
Why is the loudness of sound heard by a plucked wire increased when mounted on a sound board?
State three factors on which loudness of sound heard by a listener depends.
State the factors that determine
(a) the pitch of a note.
(b) the loudness of the sound heard.
(c) the quality of the note.
How is the pitch of sound in a guitar changed if (a) thin wire is used, (b) wire under less tension is used?
Two waves of the same pitch have amplitudes in the ratio 1 : 3 What will be the ratio of their
- loudness,
- pitch?
Why is the loudness of the sound heard by a plucked wire increased when it is mounted on a sound board?
The frequencies of notes given by flute, guitar and trumpet are respectively 400 Hz, 200 Hz and 500 Hz. Which one of these has the highest pitch?
How does the two sounds of same loudness and same pitch produced by different instruments differ? Draw diagrams to illustrate your answer.
Give scientific reason for the following:
When a nail is hammering appears to get higher and higher in pitch.
Give scientific reason for the following:
Windows sometimes rattle when the low notes of a pipe organ are sounded.
How does frequency affect a musical sound?
The same musical note when played on a piano and when played on a flute sounds different.
Name one main factor on which each character such as intensity, pitch, and quality of musical sound depends.
Give a scientific reason.
We can hear the movement of a mosquito’s wings but we cannot hear the movement of our hands.
