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A solid sphere of mass 'M' and radius 'a' is surrounded by a uniform concentric…
PHYSICS · Single correct · CBSE · Physics · Gravitation · Gravitation
Problem
A solid sphere of mass 'M' and radius 'a' is surrounded by a uniform concentric spherical shell of thickness
2
a
2a
2
a
and mass
2
M
2M
2
M
. The gravitational field at distance '
3
a
3a
3
a
' from the centre will be: (1)
2
G
M
9
a
2
\frac{2GM}{9a^2}
9
a
2
2
GM
(2)
G
M
9
a
2
\frac{GM}{9a^2}
9
a
2
GM
(3)
G
M
3
a
2
\frac{GM}{3a^2}
3
a
2
GM
(4)
2
G
M
3
a
2
\frac{2GM}{3a^2}
3
a
2
2
GM
Related theory
Universal Law of Gravitation
Gravitation
Gravitation & Weight
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