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