Advertisements
Advertisements
प्रश्न
Name the factors which determine the quality of a note.
Advertisements
उत्तर
The quality of a note is determined by its waveform.
(i.e., the presence of secondary tones along with the principal note)
संबंधित प्रश्न
What is an echo
State three factors on which loudness of sound heard by a listener depends.
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 waves have frequencies 256 Hz and 512 Hz, but same amplitude. Compare their (i) loudness, and (ii) pitch
- 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)?
It is observed that during march-past we hear a base drum distinctly from a distance compared to the side drums.
(i) Name the characteristics of sound associated with the above obervation.
(ii) Give a reason for the above observation.
Explain the following and illustrate your answer by drawing appropriate diagram:
Quality of a musical note.
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?
The loudness of a sound depends on its pitch.
Give scientific reasons.
In earlier times, people used to listen for the arrival of a distant train by putting their ear to the rail.
