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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 is an echo
In which units is the loudness of sound measured?
Decibel is the unit of pitch of a sound.
The safe limit of loudness of audible sound is
Two musical notes of the same pitch and same loudness are played on two different instruments. Their wave patterns are as shown in figure.
How do they differ in
(a) loudness,
(b) pitch and
(c) quality
Name three characteristics of a musical sound.
Why is the loudness of the sound heard by a plucked wire increased when it is mounted on a sound board?
Explain the following and illustrate your answer by drawing appropriate diagram:
Frequency
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.
