The following figure shows a source of light (L), a solid (S) and its shadow (P) on a screen (M).

The shape of (P) was observed to be a circle. What could possibly be the shape of (S)?

A rectangle

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A sphere

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A cube

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A triangle

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Solution

The correct option is B A sphere
When light is cast upon a 3-D object, the shadow formed is a 2-D shape. Hence, the 2-D image of a sphere (ball) is a circle.

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The following figure shows a source of light (L), a solid (S) and its shadow (P) on a screen (M). The shape of (P) was observed to be a circle. What could possibly be the shape of (S)?

The correct option is B A sphereWhen light is cast upon a 3-D object, the shadow formed is a 2-D shape. Hence, the 2-D image of a sphere (ball) is a circle.

The following figure shows a source of light (L), a solid (S) and its shadow (P) on a screen (M).

The shape of (P) was observed to be a circle. What could possibly be the shape of (S)?

The correct option is B A sphere
When light is cast upon a 3-D object, the shadow formed is a 2-D shape. Hence, the 2-D image of a sphere (ball) is a circle.