Question
Download Solution PDFChoose the correct option from the table:
Music | Noise | |
(A) | Any unwanted sound that does not please our ears is called music | Any sound that pleases our ears is termed noise |
(B) | It is produced by heavy-duty trucks, railway engines, horns, aircraft, cars, faulty loudspeakers, etc. | It is produced by musical instruments such as sitar, guitar, violin, Keyboard, etc. |
(C) | Music has frequency and wavelength that are harmonious | Noise has irregular waveform, wavelength, and low frequencies |
(D) | Music has a very soothing effect | Noise has also a soothing effect |
(E) | None of the above/More than one of the above |
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFThe correct option is 'C'
- In music, as frequency increases, wavelength decreases.
- If a note has a very low frequency, it will have a very long wavelength.
- If the frequency of a pitch is very high, its wavelength will be very short.
- Hence frequency and wavelength are harmonious in music
Key Points
Music | Noise |
Any sound that pleases our ears is termed music | Any unwanted sound that does not please our ears is called noise |
It is produced by musical instruments such as sitar, guitar, violin, Keyboard, etc | It is produced by heavy-duty trucks, railway engines, horns, aircraft, cars, faulty loudspeakers, etc. |
Music has frequency and wavelength that are harmonious | Noise has irregular waveform, wavelength, and low frequencies |
Music has a very soothing effect |
Noise does not have a soothing effect, it irritates |
Additional Information
- Humans can detect sounds in a frequency range from about 20 Hz to 20 kHz.
- Infants can actually hear frequencies slightly higher than 20 kHz
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