Question

Which one of the following graphs represents correctly the variation of the gravitational field intensity (I) with the distance (r) from the centre of a spherical shell of mass M and radius a ?

Answer 1

Answer:

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The variation of the gravitational field intensity (I) with the distance (r) from the centre of a spherical shell of mass M and radius a is given by : When a is less than r, the graph is a straight line. When a = r, it has constant value and if a is more than r it is a hyperbola. So, the correct option is (d).