JEE Main 202125 Jul, Morning shiftPhysicsEasyAtoms and Nuclei183× since 2002The half-life of 198Au{}^{198}Au198Au is 3 days. If atomic weight of 198Au{}^{198}Au198Au is 198 g/mol then the activity of 2 mg of 198Au{}^{198}Au198Au is [in disintegration/second] :AOption A. 2.67 ×\times× 10¹²BOption B. 6.06 ×\times× 10¹⁸COption C. 32.36 ×\times× 10¹²DOption D. 16.18 ×\times× 10¹²CheckSkip · show solution
