Which of the following observations point to the equivalence of intertial and gravitational mass (a) Two spheres of difference masses dropped from the top of a long avacuated reach the bottom of the tube at the same time. (b) The time-period of a simple pendulum is independent os its mass. (c) The gravitational force on a particle inside a hollow under isolated is zero. (d)For a mss in a closed cabin that is falling frelly under gravity, gravity 'disappears'. (e) An astronautinside a sepaceship orbiting around the Earth fells weightless. (f) Planets orbiting around the sun obey kepler's third law (approximately). (g) The gravitational force on a body due to the Earth is equal and opposite to the gravitational force on the Earth due to the body.

Which of the following observations point to the equivalence of intert

1.	Which of the following observations point to the equivalence of intertial and gravitational mass (a) Two spheres of difference masses dropped from the top of a long avacuated reach the bottom of the tube at the same time. (b) The time-period of a simple pendulum is independent os its mass. (c) The gravitational force on a particle inside a hollow under isolated is zero. (d)For a mss in a closed cabin that is falling frelly under gravity, gravity 'disappears'. (e) An astronautinside a sepaceship orbiting around the Earth fells weightless. (f) Planets orbiting around the sun obey kepler's third law (approximately). (g) The gravitational force on a body due to the Earth is equal and opposite to the gravitational force on the Earth due to the body.
Answer» SOLUTION :All axcept (C ) and (G).