Young children below 5 year can hear up to a frequency of
20 KHz
40 KHz
30 KHz
25 KHz
Young children below 5 year can hear up to a frequency of 25 KHz.
A man can hear the sound of frequency :
(a) 1 Hz
(b) 1000 Hz
(c) 200 kHz
(d) 5 MHz