Manav Kann Kitni Dhwani Tarangein Sun Sakta Hai ? मानव कण कितनी ध्वनि तरंगें सुन सकता है ?
मानव कण कितनी ध्वनि तरंगें सुन सकता है ?
22 हर्ट्ज
Comments Gyan Singh on 10-03-2014 ANOOP SHUKLA SHUKLA on 10-03-2014
70-85
80-90 डेसिबल
Vijendra Sepat on 09-03-2014
80-90 decible
80
80
20 हर्ट्ज़-20000 हर्ट्ज
Yashvi Tripathi on 07-03-2014
20hz -20000hz
Shubhankar Prasad on 06-03-2014
22hz
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