Some mobile phones have auditory meter to measure frequency of produced sound. By using this phone measure your friend's voice frequency one from each class VI to X. Report your findings.
During puberty larynx grows larger and thicker and vocal cords become thicken due to which our voice become deeper.
Change in the larynx or vocal cords affects our voice.
8 year old
male frequency -259.4 Hz
Female frequency - 282.2Hz
9 year old
Male frequency - 233.04 Hz
Female frequency - 264.28 Hz
10 year old
Male frequency - 255.23 Hz
Female frequency - 253..73 Hz
11 year old
male frequency - 238.7 Hz
female frequency - 244.84 Hz
12 year old
Male frequency - 234.41 Hz
Female frequency - 239.33 Hz
Couldn't generate an explanation.
Generated by AI. May contain inaccuracies — always verify with your textbook.