Why Does Lightning Strike ?

Why are lightning strike more frequent in hilly areas ?

On an average how many times does lightning strike the Earth ? A. 100 times per second B. 100 times per day C. 1000 times per day D. 100 times per hour

What is lightning ?

The voltage of clouds is 4xx10^(6)V with respect to ground. In a lightning strike lasting 0.1s , a charge of 4 C is delivered to the ground. The power of the lightning strike is

Statement -1: When lightning strikes a metal pipe, the pipe tends to contact. Statement-2: Parallel current attract each other.

Why does lightning usually strike tall buildings ?