A pole subtends an angle of \( 30^{\circ} \) at a point on the same level as its foot. At a seco...

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A pole subtends an angle of \( 30^{\circ} \) at a point on the same level as its foot. At a second point \( \mathrm{h} \) metres above the first, the depression of the foot of the pole is \( 60^{\circ} \). The height of the pole is
-a. \( \frac{\sqrt{\mathrm{h}}}{2} \mathrm{~m} \)
b. \( \sqrt{2} \mathrm{~h} \mathrm{~m} \)
c. \( \frac{\mathrm{h}}{3} \mathrm{~m} \)
d. \( \frac{\mathrm{h}}{\sqrt{3}} \)
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