1.

What will be the acceleration due to gravity at height h if h >> R. Where R is radius of earth and g is acceleration due to gravity on the surface of earth      [RPET 2001]

A.    \[\frac{g}{{{\left( 1+\frac{h}{R} \right)}^{2}}}\]
B.   \[g\left( 1-\frac{2h}{R} \right)\]
C.    \[\frac{g}{{{\left( 1-\frac{h}{R} \right)}^{2}}}\]
D.   \[g\left( 1-\frac{h}{R} \right)\]
Answer» B.   \[g\left( 1-\frac{2h}{R} \right)\]


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