Q. 18. X-rays belong to a group of radiations called ______ radiation.

A. EM

B. X-ray

C. hv

D. Cosmic

Explanation

The x-rays belong to a group of radiation called, electromagnetic radiation (EM radiation). It has both electric as well as magnetic fields, hence called electromagnetic. In simple words, a electromagnetic radiation is the transport of energy through space as a combination of electric and magnetic fields.

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