The diameters of two planets are in the ratio 4 : 1 and their mean den – McqOptions

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1.	The diameters of two planets are in the ratio 4 : 1 and their mean densities in the ratio 1 : 2. The acceleration due to gravity on the planets will be in ratio [ISM Dhanbad 1994]
A.	1 : 2
B.	2 : 3
C.	2 : 1
D.	4 : 1
Answer» D. 4 : 1

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