If the original exposure factors are 20 mAs @ 70 kVp,which of the following factors produce a film image with the same density but higher contrast?

Name: If the original exposure factors are 20 mAs @ 70 kVp,which of the following factors produce a film image with the same density but higher contrast?
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Based on the 15% rule,decreasing the kVp by 15% (to create more contrast)and doubling the mAs results in the same amount of radiation reaching the IR.

If the Original Exposure Factors Are 20 MAs @ 70