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प्रश्न
Why is the loudness of the sound heard by a plucked wire increased when it is mounted on a sound board?
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उत्तर १
Because the board provides comparatively a large area and forces a large volume of air to vibrate and thereby increases the sound energy reaching our ears.
उत्तर २
संबंधित प्रश्न
Name the factor that determines Loudness of the sound heard.
What is longitudinal wave?
Explain the mechanism of the formation of a longitudinal wave when the source vibrates in the air.
Name and define the characteristic which enables one to distinguish two sounds of same loudness, but of different frequencies, given by the same instrument.
How is the pitch of sound in a guitar changed if (a) thin wire is used, (b) wire under less tension is used?
Name the unit in which loudness of sound is measured.
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.
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?
