An x-ray exposure of 200 mR is recorded at a distance of 40 inches.If the same technical factors are used, what will the exposure be if the distance is increased to 72 inches?
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Q29: Given 25 mAs and a milliamperage of
Q30: A radiograph is taken at 400 mA,
Q31: All factors remaining constant, which of the
Q32: Given an exposure time of 0.06 second
Q33: A radiograph is produced using 25 mAs
Q35: Which of the following sets of exposure
Q36: X-ray beam penetrability is primarily controlled by
A)mAs.
B)focal
Q37: Adjustments in kVp should be used to
Q38: The density maintenance formula is a
A)reciprocity law.
B)inverse
Q39: A radiographer takes an initial radiograph using
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