Gravitational PotentialMediumQuestion 6257
Question
Gravitational potential inside uniform solid sphere at distance r < R from centre:
- A−GM/r
- B−GM/R
- C−GM(3R²−r²)/2R³Correct
- DZero
Correct answer
−GM(3R²−r²)/2R³
Explanation
Inside solid sphere: V = −GM(3R²−r²)/(2R³) = −GM(3R²−r²)/2R³.