1.

If radius of earth is R then the height ?h? at which value of ?g? becomes one-fourth is     [BHU 2000]

A.    \[\frac{R}{4}\]  
B.    \[\frac{3R}{4}\]
C.    R
D.    \[\frac{R}{8}\]
Answer» D.    \[\frac{R}{8}\]


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