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A Gray (Gy) Is

Question 14

Multiple Choice

A gray (Gy) is


A) the SI unit of radioactivity (= 1 decay/s) .
B) 10-2 J/kg.
C) a dosage of 2.58 × 10-4 C/kg.
D) the SI unit of absorbed dose = 1 J/kg = 100 rad.
E) 3.70 × 1010 decays/s in radium.

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