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Question

Three sticks are placed in an open field as shown in figure. Which of the following sticks will form the shadow of equal length?
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A
Only sticks (I) and (II)
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B
Only sticks (II) and (III)
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C
Only sticks (I) and (III)
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D
All sticks (I), (II) and (III).
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Solution

The correct option is C Only sticks (I) and (III)
The length of the shadow changes according to the position of the source of light, i.e., the sun with respect to the object. When the sun is perpendicular to the object's length then the shadow will be equal in length.

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