question_answer

If the density of the earth is doubled keeping its radius constant then acceleration due to gravity will be \[(g=9.8\,m/{{s}^{2}})\]      [Pb. PMT 2002; Orissa 2002]

A)             \[19.6\,m/{{s}^{2}}\]

B)               \[9.8\,m/{{s}^{2}}\]

C)             \[4.9\,m/{{s}^{2}}\]

D)               \[2.45\,m/{{s}^{2}}\]