What New MAs Setting Would Be Needed to Maintain the Same

question 53

Multiple Choice

What new mAs setting would be needed to maintain the same film density achieved with a technique of 4 mAs at 40 inches focus-to-film distance (FFD) , if FFD is increased to 80 inches?

• A) 2
• B) 8
• C) 16
• D) 20
• E) 24

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