question_answer

The relative uncertainty in the period of a satellite orbiting around the earth is \[{{10}^{-2}}.\] If the relative uncertainty in the radius of the orbit is negligible, the relative uncertainty in the mass of the earth is      [JEE Main Online 16-4-2018]

A) \[3\times {{10}^{-2}}\]

B)      \[{{10}^{-2}}\]

C) \[2\times {{10}^{-2}}\]

D)      \[6\times {{10}^{-2}}\] Correct Answer: C Solution : [c]