General Knowledge - Physics - Discussion
Discussion Forum : Physics - Section 1 (Q.No. 30)
30.
Sound of frequency below 20 Hz is called
Discussion:
25 comments Page 3 of 3.
Madhav said:
1 decade ago
Infrasonic. The relevance of this particular frequency is that it is the lower limit of hearing the normal people.
Aniket said:
1 decade ago
Is ultrasonic and audio frequency same terms?
Biplab said:
1 decade ago
Thanks nishtha.
Uday said:
1 decade ago
Good nithish.
Nishtha Sharma said:
1 decade ago
Infrasonic : less than 20Hz (can not be heard by humans)
Ultrasonic : between 20Hz and 20kHz (can be heard by humans)
Supersonic : more than 20kHz (can not be heard by humans)
Ultrasonic : between 20Hz and 20kHz (can be heard by humans)
Supersonic : more than 20kHz (can not be heard by humans)
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