It is safe to be inside a vehicle rather than outside, even when there is lightning and thunder. Comment on this.

An action potential in the nerve fibre is produced when positive and negative charges on the outside and the inside of the axon membrane are reversed because

Suppose that you are in a cave deep within the earth. Are you safe from thunder and lightning? Why?

What will be the result when a man tries to move a vehicle by pushing it, standing inside the vehicle ? The vehicle moves/the vehicle doesn’t move.