Advertisements
Advertisements
प्रश्न
- 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)?
Advertisements
उत्तर
- Amplitude - The louder sound corresponds to the wave of large amplitude.
- Loudness is directly proportional to the square of amplitude [loudness ∝ (amplitude)2].
APPEARS IN
संबंधित प्रश्न
Figure shows two jars A and B containing water up to different heights. Which will produce sound of higher pitch when air is blown on them?
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
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
Name the factors which determine the loudness of a note.
Which characteristics of sound will change if there is a change in its amplitude and its waveform.
How is it possible to detect the filling of a pitcher under a tap by hearing its sound at a distance?
Two musical notes of the same pitch and loudness are played on a violin and a piano. Their waveforms are as shown in the figure below:
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.
If ______ of sound is decreased, its loudness also decreases.
