question_answer

Which one of the following plots represents the variation of gravitational field on a particle with distance r due to a thin spherical shell of radius R? (r is measured from the centre of the spherical shell).           [AIPMT (M) 2012]

A)  

B)

C)  

D)

Correct Answer: B

Solution :

Inside the shell,  and outside the shell, Hence, graph shows the exact result.