Two objects of masses m1and m2 having the same size are dropped simultaneously from heights h1 and h2, respectively

Two objects of masses m1 and m2 having the same size are dropped simultaneously from heights h1 and h2, respectively. Find out the ratio of time they would take in reaching the ground. Will this ratio remain the same if

  1. one of the objects is hollow and the other one is solid; and
  2. both of them are hollow, size remaining the same in each case? Give reasons

Answer: