When electrons pass through two parallel plates having opposite charges they are deflected towards the positively charged plate. What important characteristic of the electron can be inferred from this?

Q: When electrons pass through two parallel plates having opposite charges they are deflected towards the positively charged plate. What important characteristic of the electron can be inferred from this?

Ans: We can infer that the electrons are negatively charged particles because they are deflected towards positively charged particles. Also, we know that:

Coulomb's Law states

• Like charges repel.
• Opposite charges attract.

This characteristic of the electron, its negative charge, is a fundamental property that plays a key role in many aspects of physics and chemistry.