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प्रश्न
Give scientific reason for the following:
Windows sometimes rattle when the low notes of a pipe organ are sounded.
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उत्तर
When the windows rattle, at that moment, its natural frequency corresponds with the frequency with which the low notes of a pipe organ are sounded. Thus, resonance takes place which makes the windows to vibrate violently.
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संबंधित प्रश्न
Shrillness of a sound is determined by the ______ of vibration.
The quality of a sound depends on the amplitude of wave.
Match the following
| column A | column B |
| (A) Amplitude | (1) frequency |
| (B) Frequency | (2) amplitude |
| (C) Loudness | (3)maximum displacement on either side |
| (D) Pitch | (4) presence of other frequencies |
| (E) Waveform | (5) 1/ time period |
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.
Two waves have frequencies 256 Hz and 512 Hz, but same amplitude. Compare their (i) loudness, and (ii) pitch
What determines the pitch of a sound?
Name the factors which determine the quality of a note.
What does the intensity of sound depend upon?
______ is a general term for the distinguishable characteristic of a wave.
