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mohsene العلوم الفيزيائية 02 يونيو 2014

سرعة الضوء عبر الفراغ هي ثابت فيزيائي عالمي هام في العديد من مجالات الفيزياء ، يرمز له في العادة بالرمز c و تساوي قيمته بدقة 299,7...

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mohsene العلوم الفيزيائية 30 مايو 2014

هو دراسة الظاهرة الضوئية، أي دراسة الظاهرات التي تؤثر في أعيننا. ولن ندرس إلا علم الضوء الهندسي، القائم على الإنتشار المستقيم للضوء و...

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