1.

A spherical planet has a mass M_(p) and diameter D_(p). A particle of mass m falling freely near the surface of this planet will experience an acceleration due to gravity, equal to :

Answer»

`6GM_(p)m//D_(p)^(2)`
`4GM_(p)//D_(p)^(2)`
`GM_(p)m//D_(p)^(2)`
`GM_(p)//D_(p)^(2)`

Solution :`G=(GM_(p))/(R^(2))=(4GM_(p))/(D_(p)^(2))`
THUS CORRECT choice is (B).


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