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प्रश्न
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उत्तर
Pitch of a musical noted depends on its wavelength or frequency. Higher the frequency, higher the pitch.
Loudness depends upon the amplitude of the wave. Loudness is directly proportional to the square of amplitude.
Quality of a musical depends on the wave form.
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संबंधित प्रश्न
What do you understand by the loudness of sound?
When sound propagates in air, it does not carry energy with it.
Decibel is the unit of pitch of a sound.
The pitch of a stringed instrument is increased by .................. tension in string.
Define the following term:
Frequency
- 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)?
How is it possible to detect the filling of a pitcher under a tap by hearing its sound at a distance?
The frequency of the stretched string of a fixed length is f when it is plucked in the middle. Where should it be plucked so that string vibrates with frequency (i) 2f, (ii) 3f?
Draw diagrams to show these vibrations and name them.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
