# Which of the following factor result in film appearing very light?
A. Under exposure
B. Over development
C. Developing solution too hot
D. Unsafe illuminations in dark room
The correct answer is A. Underexposure.
CAUSE S OF LIGHT RADIOGRAPHS
Processing Errors
- Underdevelopment (temperature too low; time too short; thermometer inaccurate)
- Depleted developer solution
- Diluted or contaminated developer
- Excessive fixation
Underexposure
- Insufficient mA
- Insufficient kVp
- Insufficient time
- Film-source distance too great
- Film packet reversed in mouth
Reference: Oral Radiology Principles and Interpretation, 7th Edition, White and Pharoah, Page no 80
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