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Question: Answered & Verified by Expert
If gravitational field due to uniform thin hemispherical shell at point P is I, then the magnitude of gravitational field at Q is (Mass of hemispherical shell is M, radius is R )

PhysicsGravitationJEE Main
Options:
  • A GM2R2-I
  • B GM2R2+I
  • C GM4R-I
  • D 2I -GM2R2
Solution:
2997 Upvotes Verified Answer
The correct answer is: GM2R2-I

gravitational field due to II at P = gravitational field at I at Q

At P,

EI+EII=G2m2R2=GM2R2

EI=GM2R2-EII=GM2R2-I

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