InterviewSolution
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InterviewSolution
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Two places A and B on the same longitude are h km apart along the surface of the earth, A is at the equator. The shadow of a vertical pole is zero at A at some hour of observation and the shadow of an identical pole at B is just half its length at the same hour of observation. Show that these observations enable us to find the radius of the earth. |
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Answer» Correct Answer - `R=(h)/(tan^(1)(1)/(2))` |
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