Question

Crookes Rays are called as ____

Answer 1

Answer:

Cathode rays.....

Explanation:

These were called Crookes tubes. Faraday had been the first to notice a dark space just in front of the cathode, where there was no luminescence. This came to be called the "cathode dark space", "Faraday dark space" or "Crookes dark space".

Answer 2

Answer:

Cathode rays

These were called Crookes tubes