3 requirements for NJ State Dental Radiology Technology exam
-:- 18 years old
high school diploma or equivalency (GED)
NJ State approved 45 hour course including required hours of clinical practice
Who discovered x-rays?
-:- Dr. Wilhelm Conrad Roentgen
aka: Wilhelm VonRoentgen
When was ...
✓ -:- distance between successive peaks along a wave
What is frequency?
✓ -:- oscillations emitted per second
What are oscillations?
✓ -:- number of wavelengths
shorter wavelengths have
✓ -:- higher frequencies and more penetrating rays
What are red rays?
✓ -:- Longest wavelengths in visible spectrum
What are violet rays?
✓ -:- shorter wavelengths
What are invisible rays?
✓ -:- shortest wavelength, beyond the visible threshold
ex: x-rays
3|Page | Grade A+| 2024/2025
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