Question

Which of the following statements are correct with respect to the unit of radioactivity?(i) The SI unit of radioactivity is curie [Ci].(ii) 1 Ci = 3.7 x 10-10 dps(iii) 1 Bq = 3.7 x 10-10 Ci(iv) The SI unit of radioactivity is becquerel (Bq).(v) 1 Ci = 3.7 x 1010 Bq

• A. (A) (i) and (iii)
• B. (B) (iv) and (v)
• C. (C) (i) and (ii)
• D. (D) (ii) and (iv)

Answer 1

Answer: (B)

(B) (iv) and (v)

Answer 2

Explanation:
The SI unit of radioactivity is becquerel (Bq). 1Ci=3.7×1010 disintegration s−11Ci=3.7×1010Bq1Bq=1 disintegration s−1