question_answer 41)

  The value of quantity G in the law of gravitation (a) depends on mass of the earth only                   (b) depends on radius of earth only (c) depends on both mass and radius of the earth (d) is independent of mass and radius of the earth

Answer:

  (d) G is the constant of proportionality and is called the universal gravitational constant. It is independent of mass and radius of the earth.