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Q. |
Coolis tube is used to produce – |
A. | Radio waves |
B. | Micro waves |
C. | X-rays |
D. | Gama rays |
Answer» C. X-rays | |
Explanation: X-rays are part of the electromagnetic spectrum, an 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 imaging of opaque objects with penetrating radiation. |
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