Explain why it is not possible for a line to have a mid-point.

Why it is not possible for a line to have midpoint?

Explain why it is not possible to magnetise an iron rod beyond a certain limit ?

Explain why sky wave propagation is not possible for high frequency radiowaves ?

An electrostatic field line is a continuous curve. That is, a field line cannot have sudden breaks. Why not? Explain why two field lines never cross each other at any point?

(a) An electrostaic field line is a continous courve. That is a field line cannot have sudden breaks. Why not ? (b) explain why two filed lines never cross each other at any point.

a. An electrostatic field line is a continuous curve. That is, a field line cannot have sudden breaks. Why not? b. Explain why two field lines never cross each other at any point?