Which of the sounds having the following frequencies can be heard by the human beings and which cannot?
(a) 6 Hz (b) 5000 Hz (c) 10000 Hz (di) 35000 Hz (e) 18 kHz
6 Hz,18 Hz and 35000 Hz cannot be heard by human ears.
Which of the following sound frequencies can be heard by a woman having a normal hearing range?
A. 25000 Hz
B. 15 kHz
C. 40000 Hz
D. 25 Hz
(a) A and B (b) B and C (c) B and D (d) only D