DASA Radiography Exam Questions with Complete Solutions (Latest 2025) Dental Radiograph - Correct Answers ✅representation of a three dimensional object used in dentistry to study and identify structures not visible to the naked eye Radiography - Correct Answers ✅applying the basic sciences of physics and chemistry Wilhelm Conrad Roentgen - Correct Answers ✅German physicist, discovered xrays in 1895 William Coolidge - Correct Answers ✅invented the first xray tube in 1913 x-rays - Correct Answers ✅electromagnetic rays that are not detected by any of the senses density - Correct Answers ✅the density of the object being penetrated x-ray tube - Correct Answers ✅the tube responsible for generating x-rays Types of x-ray radiation - Correct Answers ✅primary radiation, remnant radiation, secondary radiation, scattered radiation, stray radiation
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