وفر 50٪ من خلال الاشتراك السنوي في مجرة واحصل على تصفح لا محدود لأفضل محتوى عربي على الإنترنت.

اشترك الآن

تمت عملية الاشتراك بنجاح

إغلاق

عذراً، عذرا،أنت مشترك مسبقاً بالنشرة البريدية

إغلاق

عذراً، هناك مشكلة في البريد الالكتروني

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التكنولوجيا

زاوية السقوط |  Angle of incidence

22 أبريل 2020


هي الزاوية بين الشعاع الضوئي الساقط من وسط إلى آخر، والمستوى العمودي على السطحين، ويُرمَز لها بالرمز "Θi". وعند انعكاس هذا الشعاع، تُساوي زاوية انعكاسه زاوية السقوط في حالة السقوط على الأسطح الملساء فقط.