Question

report all my question please tell painful death?? don't spam.​

Answer 1

Answer:

Cathode rays are streams of electrons observed in discharge tubes. If an evacuated glass tube is equipped with two electrodes and a voltage is applied, glass behind the positive electrode is observed to glow, due to electrons emitted from the cathode.

Answer 2

With the threat of dying or being executed as a punishment. Sometimes used hyperbolically..

Why dear??