1.

Statement - 1 : For the calculation of gravitional force between any two uniform spherical shells, they can always be replaced by particled by particles of same mass placed at respective centres. Statement - 2 : Gravitational field of a uniform spherical shell out side it is same as that of particle of same mass placed at its centre of mass.

Answer»

STATEMENT -1 is TRUE, statement-2 is true and statement -2 is CORRECT explanation for statement -1.
Statement -1 is true, statement -2 is true and statement -2 is correct explanation for statement -1.
Statement -1 is true, statement -2 is false.
Statement -1 is false, statement -2 is true.

Solution :They cannot be replaced by POINT masses if they are kept inside one another.


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