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Question
When a torch is pointed towards one of the vertical edges of a cube, you get a shadow of cube in the shape of ______.
Options
square
rectangle but not a square
circle
triangle
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Solution
When a torch is pointed towards one of the vertical edges of a cube, you get a shadow of cube in the shape of rectangle but not a square.
Explanation:
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A cube has 6 faces, 12 edges and 8 vertices.
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When light from a torch is pointed towards one of the vertical edges of the cube, the light passes around the shape and casts a shadow.
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The shadow of the cube will take the outline of a rectangle because:
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The light touches the two adjacent faces that meet at the edge.
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The height and width of the shadow are determined by the lengths of the cube’s edges.
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Therefore, the shadow cast is in the shape of a rectangle.
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