`Ra^(226)` has half life of 1600 years. The number of disintegration per second per gram is

Radium has atomic weight 226 and half life of 1600 years. The number of disintegrations produced per second from one gram is

A radioactive element (atomic mass = 90 a.m.u.) has half life of 28 years. The number of disintegration per second is :

Radium has atomic weight 226 and half life of 1600 years. The number of disintegrationsd produced per second from one gram is a. 4.8 xx 10^(10) b. 3.7 xx 10^(20) c. 9.2 xx 10^(6) d. 3.7 xx 10^(8)

Radium has weight 226 and a half life of 1600 years.The umber of diintegerations produced per second from one gram are

Radium has atomic weight 226 and a half-life of 1600 Yr. The number of disintegrations produced per second from one gram are

Half life of ""^(226)Ra is 1600 years. How many distintegrations per second occur in 1 gram of ""^(226)Ra ?