The echo ( the sound reflection ) and conditions necessary for hearing the echo

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6 Responses

  1. Jomana Ehab says:

    Thank you soo much you helped me alot cause I was suck with echo and stuff

  2. bhagat pannu says:

    what is the conditions to form echo?

    • Heba Soffar says:

      The distance between the sound source and the reflecting surface must not be less than 17 metres where the time period between hearing the original sound and its echo should not be less than 0.1 of a second .

  3. Sudeep Agrahari says:

    Thanks a.lot

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