JEE Physics · Hard

Center of Mass, Momentum and Collision: COM — Hemisphere MCQ

Solve this quality-checked JEE multiple-choice question, then review the correct answer and explanation.

Timer-based practiceDetailed answer reviewMobile-friendly flow
COM — HemisphereHardQuestion 30534

Question

The centre of mass of a solid hemisphere (radius R) from the flat face is:
  1. A
    R/2
  2. B
    3R/8
    Correct
  3. C
    R/4
  4. D
    R/3

Correct answer

3R/8

Explanation

For a solid hemisphere of radius R, the COM is at 3R/8 from the flat face (by integration).