The half life of radium is 1600 years . In how much time will its `(15)/( 16)` fraction disintegrate ?

The half life of radium is 1600 years. The mean life of radium is

The half life of radium is 1600 years. After how much time will 1 g radium be reduced to 125 mg ?

The half life of radium is 1600 years. After how much time will 1 g radium be reduced to 125 mg ?

Half life of radium is 1600 years. Its average life:

half life of radium is 1580 years. Its average life will be

The half life of radium is 1600 years. After how much time, (1)/(16)th part of radium will radium will remain undisintergrated in a sample?

The half life of radium is 1600 years. How much time does 1g of radium take to reduce to 0.125 g.