What is the shape of the umbra

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Reference no: EM131740052

Question: We have a square area source and a square occluder, both parallel to a plane. The edge length of the source is now half that of the occluder, and they are vertically above one another, with their centers aligned.

• What is the shape of the umbra?

• What is the shape of the outside boundary of the penumbra?

Reference no: EM131740052

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