<prompt> 1 curie is equivalent to:1.7 x 1010 disintegrationsecond2.7 x 1010 disintegrationsecond3.7 x 1010 disintegrationsecond4.7 x 1010 disintegrationsecond  <response>: Ans. C 3.7 x 1010 disintegrationsecondRadiology by S. Bhadury 2ndl197:Writes:1 Bq 1 disintegrationsecond1 Curie Ci 3.7 x 10 10 disintegrationsecond1 Ci is equal to 37 gigabecquerel1 gray Gy 100 rads 10 mGy 1 rad 1 mGy 100 mrad Gray Gy is the SI unit of absorbed dose.One gray is equal to an absorbed dose of 1 foulekilogram 100 rads. 