Question

Why does television screen get a dark patch when a magnet is brought near it?

Answer 1

A magnet distorts the picture as it distorts the path of electrons flowing from the electron gun towards the screen inside the tv. As electrons are negatively charged particles, their motion is distorted by a magnet. So it is these electrons, not photons, which are distorted by the magnet.

Comments

I found this same answer in Google, first thing on searching, but since the characteristic of photons is not covered in CBSE X revised syllabus, as of 2021, I didn't consider the answer.