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View Poll Results: If a tree falls in the forest and no one is around to hear it does it make a sound?

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  • Yes

    2 66.67%
  • No

    0 0%
  • Both (Yes and No)

    1 33.33%
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  1. #1
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    new-3 A Tree In a Forest









    If a tree falls in the forest and no one is around to hear it does it make a sound?

    Most basic answer:
    No, because the definition of sound is "something that you hear." No one's there to hear the tree fall, so the tree doesn't make a sound. This answer is valid as long as no details are observed technically.

    An answer:
    Nobody knows and never will.
    Although this question is often restated as "If Helen Keller fell over in a forest would there be any noise?" the answer stays the same. A sound does not depend on the perception by a sentient hearer. Examining the question, there are three conditions setting the scenario:

    • A tree falls: It is presumed that the tree falls through other trees branches and strikes the ground in a manner that makes satsfying "Thunk!" all of which activities generate sound waves and or vibrations. This is technically a sound or colloquially a noise.
    • in the woods: This is an ecosystem filled with receptors some definitely sentient (humans) and some of debatable levels of sentience (deer, raccoons etc.) all of which have the capacity of hearing
    • and nobody is there to hear it: fully sentient beings, humans, are excluded but animals are not excluded and a question
    • does it still make a sound


    The answer is that in physics the creation of sound waves in a medium constitutes making a sound or noise. In the smaller definition that a sound can only be present if it is heard, the question only postulates the absence of sentient (human) receptors. The existence of hearing animals in a forest environment would be anticipated/ Therefor the sound would have been heard and even under the more limited definition (strickly physics) there would have been a sound.


    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. That's more of a "physics" answer, but it is a "real" as anything you are likely to encounter.
    The definition of sound is the periodic compression and rarefaction of air. Thus whether a person or animal is around to hear the sound (the experience, sometimes referred to as qualia) or not, does not change the fact that the air is still moved in this way, and a sound is produced.

    A Simpler answer

    For example, if a Deaf person was in the woods and a tree fell, would it make a sound? No, because their auditory system would not pick up the vibrations that make sound. They may feel the lower vibrations in their body, but not the sound.

    A Poll Answer: Both (Yes nd No)
    Last edited by ♪XiT Ḟaĭŗƴ♫; 09-20-2011 at 10:24 PM.

  2. #2
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    yes it will make the sound...

    ---------- Post added at 09:02 PM ---------- Previous post was at 08:59 PM ----------

    sound tu produce kry ga koi suny ya na suny

  3. #3
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    Default

    It does make sounds but unfortunately nobody just hear it.

  4. #4
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    Default

    Question has already been answered!
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