# Coolis tube is used to produce

Coolis tube is used to produce

(2) Microwaves

(3) X-rays

(4) Gama rays

Answer: (3) X-rays are part of the electromagnetic spectrum, ionizing radiation with wavelengths shorter than ultraviolet light. X-ray tubes evolved from experimental Crookes tubes with which X-rays were first discovered in the late 19th century, and the availability of this controllable source of X-rays created the field of radiography, the im

aging of opaque objects with penetrating radiation.