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प्रश्न
Name the unit in which loudness of sound is measured.
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उत्तर
The unit of loudness is phon which is equal to 1 dB.
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संबंधित प्रश्न
Name the factor that determines Pitch of the note.
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 |
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Name the subjective property of light related to its wavelength.
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How can one distinguish the sounds of two musical instruments even if they are of the same pitch and same loudness?
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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.
