Multiple choice question XXXI — task. Science CBSE, Class 9.

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The value of acceleration due to gravity at height \(h\) from earth surface will become half its value on the surface if (\(R\ =\ radius\ of\ earth\))

\(h\ =\ R\)
\(h\ =\ 2R\)
\(h\ =\ (\sqrt{2}-1)R\)
\(h\ =\ (\sqrt{2}+1)R\)

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