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प्रश्न
A change in amplitude of a sound wave is noticed.
- Which characteristic of sound is affected due to the above change?
- How is amplitude related to your answer to part (a) above?
- What happens to the quality of the sound?
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उत्तर
- Loudness
- Loudness is proportional to the square of its amplitude i.e., `"L" prop ("a")^2`
- The quality of the sound does not change because quality is dependent on the waveform.
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संबंधित प्रश्न
Which characteristics of sound makes it possible to recognize a person by his voice without seeing him?
Two musical notes of the same pitch and same loudness are played on two different instruments. Their wave patterns are as shown in following Figure.
Explain why the wave patterns are different.
State the factor that determine the quality of the note.
Name the characteristic of the sound affected due to a change in its wave form.
In what respect does the wave pattern of a noise and a music differ? Draw diagram to explain your answer.
Two sounds of same loudness and same pitch produced by two different instruments differ in their ______.
Shows the wave patterns of three sounds A, B and C. Name the characteristic of sound which is same between
- A and B,
- B and C, and
- C and A.
| A | B | C |
 |
 |
 |
Two notes are produced from two different musical instruments, such that they have same loudness and same pitch. The produced notes differ in their ______.
