Advertisements
Advertisements
Question
What is the range of frequencies associated with infrasound?
Advertisements
Solution
Sounds of frequencies below 20 Hz are called infrasonic sounds or infrasound.
APPEARS IN
RELATED QUESTIONS
What is the audible range of the average human ear?
Fill in the blanks with suitable words.
A sound wave consists of places of higher pressure called ................. and places of................pressure called.................
Name the organs of hearing in our body.
What name is given to the sound waves of frequency too low for humans to hear ?
What name is given to the sound waves of frequency too high for humans to hear ?
Choose the infrasonic waves and ultrasonic waves from the following frequencies :
(i) 10,000 Hz
(ii) 30,000 Hz
(iii) 18 Hz
(iv) 50,000 Hz
(v) 10 Hz
What is ultrasound ? What is the difference between ordinary sound and ultrasound ?
What are infrasonic waves ? Name two animals which produce infrasonic waves.
What are ultrasonic waves ? Name two animals which can produce ultrasonic waves.
For hearing the loudest ticking sound heard by the ear, find the angle x in Fig.12.4.

