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Radr 2209 Radiographic Imaging &Newline;Equipment Exam With Verified &Newline;Questions And Answers‖‖ Latest &Newline;Version 2026
RADR 2209 RADIOGRAPHIC IMAGING 
EQUIPMENT EXAM WITH VERIFIED 
QUESTIONS AND ANSWERS|| LATEST 
VERSION 2026 
Section 1: X-Ray Discovery, Characteristics, and Fundamentals 
1. Who discovered x-rays, and when and where did this occur? 
Wilhelm Conrad Roentgen discovered x-rays on November 8, 1895, in 
Wurzburg, Germany. 
2. Name five characteristics of x-rays. 
X-rays are highly penetrative, travel in straight lines, travel at the speed of light, 
can ionize matter, and cannot be focused ...