Question

How is the voice of a 5-year-old child different from the voice of a 25 years old man? Give reason.

Answer 1

1. Voice depends upon the frequency and the frequency of the voice depends upon the length of the vocal cords.
2. Vocal cords of the children of age 5 are very small.
3. Shorter the vocal cords, the greater the frequency, which results in more shrillness invoice.
4. In grown-ups the voice becomes coarse due to the development of vocal cords, Greater the length of the vocal cords,less is the frequency of the voice.
5. The frequency range of children's voices is from 190 Hz to 750 Hz.