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UPSC Combined Geo-Scientist

Chemist

  • 2 objective papers
  • 120 questions each
  • 2 h per paper
  • 100 + 300 marks

Prelims Paper I covers general studies.

UPSC Combined Geo-Scientist, Prelims · 2025 · Paper I, General Studies · Q13 of 120

Geo-Scientist Prelims 2025 General Studies Q13: Which one among the following is the sum of moments of inertia…

QuestionRotational mechanics / moment of inertia

Which one among the following is the sum of moments of inertia (about a tangent to curved surface) of a solid cylinder and a solid sphere? (The masses and radii of both the cylinder and the sphere are \(M\) and \(R\) respectively)

  1. (a) (17/5) \(MR^2\)
  2. (b) 2 \(MR^2\)
  3. (c) (12/5) \(MR^2\)
  4. (d) (29/10) \(MR^2\)

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