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प्रश्न
Name one property of waves that do not change when the wave passes from one medium to another.
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उत्तर
The frequency of the waves does not change when the waves travel from one medium to another.
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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.
Explain the mechanism of the formation of a longitudinal wave when the source vibrates in the air.
Name the unit in which loudness of sound is measured.
Why is the loudness of the sound heard by a plucked wire increased when it is mounted on a sound board?
Two identical guitars are played by two persons to give notes of the same pitch. Will they differ in quality? Give a reason for your answer.
The same musical note when played on a piano and when played on a flute sounds different.
Three musical instruments give out notes at the frequencies listed below. Flute: 400 Hz; Guitar: 200 Hz; Trumpet: 500 Hz. Which one of these has the highest pitch?
The diagram below shows three ways in which the string of an instrument can vibrate.
(i) Which of the above diagrams shows the fundamental note?
(ii) Which has the frequency 4 times that of the fundamental?
(iii) State the ratio between the frequency of the first and second.
If ______ of sound is decreased, its loudness also decreases.
Give a scientific reason.
The sounds generated by a tabla and a sitar are different.
