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Gravitation question

2019 · 9 Apr · Shift 1 · Q63
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  5. /2019 · 9 Apr · Shift 1 · Q63

Gravitation question

2019 · 9 Apr · Shift 1 · Q63

JEE MainPhysicsGravitationMCQ+4 / −1
A solid sphere of mass 'M' and radius 'a' is surrounded by a uniform concentric spherical shell of thickness 2a and mass 2M. The gravitational field at distance '3a' from the centre will be :
  1. A
    GM3a2{{GM} \over {3{a^2}}}3a2GM​
  2. B
    2GM9a2{{2GM} \over {9{a^2}}}9a22GM​
  3. C
    GM9a2{{GM} \over {9{a^2}}}9a2GM​
  4. D
    2GM3a2{{2GM} \over {3{a^2}}}3a22GM​
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