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Question
Which characteristics of sound makes it possible to recognize a person by his voice without seeing him?
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Solution
We may distinguish a person by hearing his voice without seeing him because the vibration produced by each person's vocal chord has a unique wave shape that differs from person to person.
RELATED QUESTIONS
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 |
 |
 |
 |
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?
Two notes are produced from two different musical instruments, such that they have same loudness and same pitch. The produced notes differ in their ______.
