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Category: Geometry

A-point-source-has-a-distance-d-to-the-center-of-a-big-sphere-with-radius-R-An-other-smaller-sphere-with-radius-r-is-placed-between-the-point-source-and-the-big-sphere-If-the-distance-between-the-t

Question Number 48460 by mr W last updated on 24/Nov/18 ApointsourcehasadistancedtothecenterofabigspherewithradiusR.Anothersmallerspherewithradiusrisplacedbetweenthepointsourceandthebigsphere.Ifthedistancebetweenthetwospheresisconstant,sayitsc.$${Find}\:{the}\:{maximal}\:{shadow}\:{area}\:{of}\:{the}…