tanong lang - is there a sound when no one hears it?

[underprezzure]

^ That's the philisophy side but

Answer

Sound (noise) is mechanical energy. It is physically real. A source of sound can (will) make the sound whether we are there to hear it or not. Or whether we can hear it or not.

Reference @: http://wiki.answers.com/Q/If_a_tree_falls_in_the_forest_and_no_one_hears_it_does_it_make_a_sound

The physics corner.

EDIT: Both of the Philosophy side and Physics corner are correct too


-underpazz campaigns for more technical post on technical threads
-underpazz campaigns for "no hijack policy" on technical sections

[dyubir]

20 hz hinde na maririnig ng tao,pero 20 hz and below maririnig pa rin ng mga elephants.