For a normal person, the audible frequency range for sound waves lies between: (a) 10 Hz and 10 kHz (b) 20 Hz and 20 kHz (c) 25 Hz and 25 kHz (d) 30 Hz and 30 kHz.
عام انسان کی قابل سماعت تعدد کی حد کون سی ہے؟ (a) 10 Hz تا10 kHz (b) 20 Hz تا20 kHz (c) 25 Hz تا25 kHz (d) 30 Hz تا30 kHz۔
Solution & explanation
Approximately 20 Hz to 20 kHz; actual sensitivity varies with age and hearing.
Independent study answer. Original textbook ↗ · English-medium printed page 60.