Women’s voices are thinner (shrill) compared to men’s voices primarily because the frequency is higher. Higher frequency results in a higher pitch, characteristic of women’s voices. This is due to women having shorter and thinner vocal cords that vibrate at faster rates, producing higher-pitched sounds.
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Women’s voices are thinner (shrill) compared to men’s voices primarily because the frequency of their vocal vibrations is higher. Frequency refers to the rate at which the vocal cords vibrate, determining the pitch of the voice. Women typically have shorter and thinner vocal cords than men, which vibrate at faster rates, resulting in higher frequencies and higher-pitched voices. In contrast, men have longer and thicker vocal cords that vibrate at lower frequencies, producing deeper voices. The higher frequency of women’s voices contributes to their perceived thinness or shrillness compared to the lower-pitched voices of men. This difference in vocal cord physiology and vibration rates is a key factor in the distinctiveness of male and female voices. Therefore, the correct answer is [A] frequency is higher.