1.

In which of the following cases the planet will have same value of 'g' as that of the value on the earth (a) with mass double to that of earth and radius sqrt(2) times that of earth (b) with mass fourtimes that of earth and radius sqrt(2) times that of earth (c) with mass one fourth that of the earth and radius half that of earth (d) with mass twice that of earth and radius 1/3 that of earth

Answer»

a and B obly
a and C only
b and c only
b and d only

Answer :B


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