Paheli observed the shadow of a tree at $8 : 00 am, 12 : 00 noon$ , and $3 : 00 pm .$ Which of the following statements is closest to her observation about the shape and size of the shadow?

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The shape of the shadow of the tree changes, but the size remains the same.

The size of the shadow of the tree changes, but the shape remains the same.

Both the size and shape of the shadow of the tree change.

Neither the shape nor the size of the shadow changes.

answer is C.

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Detailed Solution

[26]
When she observes the shadow of a tree at a specific time, it should change the size and shape of the shadow.
The shape and size of the tree will change as the sun changes its position from morning to noon. At

8 : 00 am,

and

3 : 00 pm,

[27]the lengths of the shadows of the tree will be longer than their actual length and are pointed towards the West and the East directions, respectively. However, at noon, the sun will be just above the tree, so the tree's shadow will be short.

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