Which of the following sounds cannot be heard by humans
20Hz
500Hz
15Hz
15000Hz
Hence, option (C) is the correct answer.
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
Which of the following frequency of sound can be heard by a dog but not by a man ?
(a) 50,000 hertz (b) 15,000 hertz.
Three different vibrating objects produce three of sounds X, Y and Z. The sounds X and Y cannot be heard by a man having normal range of hearing but sound Z can be heard easily. The sound X can be heard by a bat whereas the sound Y can be heard by a rhinoceros. What type of sounds are X, Y and Z ?
Which of the following sound can be heard by monkeys and deer but not by humans?