Friday, May 3, 2013

Light travels in a straight line


This experiment shows that light travels in a straight line.

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2 comments:

  1. UnknownMay 3, 2013 at 8:32 AM

    good. clear!

    ReplyDelete
  2. UnknownMay 8, 2013 at 5:02 PM

    terima kasih berkongsi maklumat,gambar yang jelas dan murid dapat menjalankan eksperiment tersebut.

    ReplyDelete

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