Two identical spheres are kept at same distance as shown in the figure. The potential energy when a mass particle m0 is taken from the surface of one sphere to the other

Q: Two identical spheres are kept at same distance as shown in the figure. The potential energy when a mass particle m0 is taken from the surface of one sphere to the other

(a) increases continuously

(b) first increases then decreases

(c) decreases continuously

(d) first decreases then increases