Question

write a short note on discovery of cathod rays​

Answer 1

In 1897, British physicist J. J. Thomson showed that cathode rays were composed of a previously unknown negatively charged particle, which was later named the electron. Cathode-ray tubes (CRTs) use a focused beam of electrons deflected by electric or magnetic fields to render an image on a screen.

Answer 2

Answer:

Cathode rays was composed by J . J Thomas