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प्रश्न
- Which of the following quality determines the loudness of a sound wave?
- wavelength
- frequency and
- amplitude
- How is loudness related to the quantity mentioned above in part (a)?
उत्तर
- Amplitude - The louder sound corresponds to the wave of large amplitude.
- Loudness is directly proportional to the square of amplitude [loudness ∝ (amplitude)2].
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संबंधित प्रश्न
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| 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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