1.

The mass and diameter of a planet have twice the value of the corresponding parameters of earth. Acceleration due to gravity on the surface of the planet is     [NCERT 1971; Pb. PMT 2000]

A. \[9.8\,m/{{\sec }^{2}}\]
B.   \[4.9\,m/{{\sec }^{2}}\]
C. \[980\,m/{{\sec }^{2}}\]      
D. \[19.6\,m/{{\sec }^{2}}\]
Answer» C. \[980\,m/{{\sec }^{2}}\]      


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