An iron bar at 325 k is placed in a sample of water. the iron bar gains energy from the water if the temperature of the water is
(1) 65 k (3) 65°c
(2) 45 k (4) 45°c

false

because it does not have the potential to be entirely used up

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be