A man standing on level plane observer the angle of elevation of top of a pole to be \alpha. He walks, a distance equal to double the height of the pole and finds that elevation is 2 \alpha. Then \alpha is equal to

CUSAT 2021 BTech Solved Paper Shift 2

Question : 212 of 250

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A man standing on level plane observer the angle of elevation of top of a pole to be α. He walks, a distance equal to double the height of the pole and finds that elevation is 2α. Then α is equal to

π∕12
π∕6
π∕4
π∕3

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