The ratio for the gap between successive orbits from the nucleous onwards is

A wire in the form of a tightly wound solenoid is connected to a DC source, and carries a current. If the coil is stretched so that there are gaps between successive elements of the spiral coil, then

A wire in the form of a tightly would solenoid is connected to a DC source, and carries a current. If the coil is stretched so that there are gaps between successive elements of the spiral coil, then

The gap between neurons is called

Why are gaps left between successive rails on a railway track ?