MCQ
A shell of mass $M$ and radius $R$ has a point mass m placed at a distance $r$ from its centre. The gravitational potential energy $U \,(r)$ vs $r$ will be
  • A

  • B


  • D

Answer

Correct option: C.

c
(c) Gravitational $P.E. = m ×$ gravitational potential
$U = mV$ So the graph of $U$ will be same as that of $V$ for a spherical shell.
 

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