A normal human eye can see an object making an angle of \( 1.8^{\ci...

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A normal human eye can see an object making an angle of \( 1.8^{\circ} \) at the eye. What is
\( \mathrm{P} \) the min. height of object which can be seen by

W an eye placed at a distance of \( 1 \mathrm{~m} \) from the object?
(1) \( \frac{\pi}{2} \mathrm{~cm} \)
(2) \( \pi \mathrm{cm} \)
(3) \( \frac{\pi}{4} \mathrm{~cm} \)
(4) \( 2 \pi \mathrm{cm} \)
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