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Gravitational Field Due to a Shell

The gravitati...

Question

The gravitational potential (V) and gravitational field (E) are plotted against distance r from the centre of a uniform spherical shell .Consider the following statement

A)the plot of V against r is discontinuous

B)the plot of E against r is discontinuous

Which statement is correct or wrong and why?

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Solution

b is correct but a is wrong
There is no gravitational field inside a shell. But, gravitational potential exists inside the shell. Thus, the plot of E against r is discontinuous

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