Advertisements
Advertisements
प्रश्न
Two waves of the same pitch have their amplitudes in the ratio 2 : 3.
(i) What will be the ratio of their loudness?
(ii) What will be the ratio of their frequencies?
Advertisements
उत्तर
(i) Given, the Amplitude ratio, a1 : a2 = 2 : 3
∵ I α a2
∴ `"I"_1/"I"_2="a"_1^2/"a"_2^2=2^2/3^2=4/9`
⇒ I1 : I2 = 4 : 9
(ii) ∵ Frequency α Pitch
∴ Ratio of frequencies = 1 : 1
APPEARS IN
संबंधित प्रश्न
If the amplitude of vibration is large, sound is feeble.
In which units is the loudness of sound measured?
Name three characteristics of a musical sound.
If the amplitude of a wave is doubled, what will be the effect on its loudness?
State three factors on which loudness of sound heard by a listener depends.
Name the characteristic of the sound affected due to a change in its
(a) amplitude (b) waveform (c) frequency.
Two waves of the same pitch have amplitudes in the ratio 1:3. What will be the ratio of loudness?
State three factors on which loundess of sound heard by a listener depends.
How does the two sounds of same loudness and same pitch produced by different instruments differ? Draw diagrams to illustrate your answer.
How do you account for the fact that two strings can be used to give notes of the same pitch and loudness but of different quality?
