Question

If radius of earth is R then the height ‘h’ at which the value of ‘g’ becomes one-fourth is-

A R Correct Answer Incorrect Answer
B 2R Correct Answer Incorrect Answer
C 3R Correct Answer Incorrect Answer
D 4R Correct Answer Incorrect Answer

Solution

With height g’= g/(1+h/R) Since, g’=g/4 Hence, putting the value of ‘g’ in the equation- We get, g=R

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