צל מלא וצל חלקית

construction of umbra and penumbra of an object illuminated by two sources of light. Konstruktion von Halb- und Kernschatten eines kreisförmigen Objekts, das von zwei Lichtquellen beleuchtet wird.

 

Mikhail Nitishinsliy

 
자료 유형
활동
태그
대상 그룹 (연령)
11 – 14
언어
English (United Kingdom)
 
 
 
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