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प्रश्न
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of loudness?
उत्तर
Ratio of loudness will be 1:9
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संबंधित प्रश्न
Define the following terms :
(a) Amplitude
(b) Frequency
(c) Time period.
Name three characteristics of a musical sound.
Why is the loudness of sound heard by a plucked wire increased when mounted on a sound board?
Name and define the characteristic which enables one to distinguish two sounds of same loudness, but of different frequencies, given by the same instrument.
If the amplitude of a wave is doubled, what will be the effect on its loudness?
Two waves of the same pitch have amplitudes in the ratio 1 : 3. What will be the ratio of their :
(i) intensities and
(ii) frequencies
Three musical instruments give out notes at the frequencies listed below. Flute: 400 Hz; Guitar: 200 Hz; Trumpet: 500 Hz. Which one of these has the highest pitch?
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.
The loudness of a sound depends on its pitch.
Give scientific reason.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
