A charged gold leaf electroscope has its leaves apart by certain amount having enclosed air. When the electroscope is subjected to $X$-rays, then the leaves
How conductors and non-conductors are different ? Why are they not charged by rubbing them with our hands ?
Who represented the quantization of electric charge first and on what basis ?
Why can we say that charge of any body is always an integral multiple of $'e'$ ?
What is called quantization of electric charge ? Write $SI$ unit of electric charge.