انكسار الضوء

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Keep going انكسار الضوء 17 نوفمبر 2013

عندما يمر الضوء من الهواء إلى الماء، أو من الهواء إلى الخارج فإن اتجاه الضوء يتغير؛ هذا التغير يسمى "انكسار الضوء" و ر...

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