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प्रश्न
If the amplitude of vibration is large, sound is feeble.
विकल्प
True
False
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उत्तर
This statement is False.
Explanation:
The loudness of a sound is proportional to the square of the amplitude of its vibration. When the amplitude of the vibration is large, the sound produced is loud. When the amplitude is small, the sound produced is feeble.
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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.
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(b) pitch and
(c) quality
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Name the factors which determine the loudness of a note.
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?
Give scientific reason.
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