Question

(a) Zero
(b) constant
(c) Directly proportional to the distance of point from its centre.
(d) Inversely proportional to the distance of point from its centre
Ans.(c)
8. Gravitational potential on the surface of a spherical shell of mass M
and radius 'a' is
a
-MG
--MG
-MG
-MG
(a)
(b)
(c)
(d)
a2
Ans. (b)
2a
2a2
9. If the distance between two point masses is doubled, the gravitational
attraction between them
(a) Is doubled
(b) becomes four times
(c) is reduced to half
(d) is reduced to a quarter
Ans. (d)
0. The Kater's Pendulum is used to determine the value of
(a) Gravitational Constant (b) acceleration due to gravity
Ans (5)​

Answer 1

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