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.
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)
Amaresh singh said:
1 decade ago
Because less than or equal to 20 Hz man can not hear the sound.
Man can hear between 20 Hz and 20000 Hz.
Man can hear between 20 Hz and 20000 Hz.
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