Exam (elaborations)
CAMRT Prep Exam Questions WITH ALL CORRECT ANSWERS
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CAMRT Prep Exam Questions WITH ALL CORRECT ANSWERS The exposure from an x-ray tube operated at 70kV @ 200mAs is 400mR @ 90cm. What will be the exposure at 180cm? - ANSWER- i2 = i1 x d1^2/d2^2 i2 = 400 x 90^2/180^2 i2 = 400 x 8100/32400 i2 = 400 x 0.25 i2 = 100mR OR I1/I2=((d2)/(d1))^2 I...
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