373. The halflife period ofa radioactive element X is the sameas the mean life time of another radioactive element Y.Initially both of them have the same number of radioactive(AIEEE, 2007; IIT, 1999)atoms, Thenfa) Ywill decay at a faster rate than X(b) X will decay at a faster rate than YXand Yalways decay at the same rate(c)(d) X and Y have the same decay rate initially

373. The halflife period ofa radioactive element X is the sameas the m

1.	373. The halflife period ofa radioactive element X is the sameas the mean life time of another radioactive element Y.Initially both of them have the same number of radioactive(AIEEE, 2007; IIT, 1999)atoms, Thenfa) Ywill decay at a faster rate than X(b) X will decay at a faster rate than YXand Yalways decay at the same rate(c)(d) X and Y have the same decay rate initially
Answer» 373. The halflife period ofa radioactive element X is the sameas the mean life time of another radioactive element Y.Initially both of them have the same number of radioactive(AIEEE, 2007; IIT, 1999)atoms, Thenfa) Ywill decay at a faster rate than X(b) X will decay at a faster rate than YXand Yalways decay at the same rate(c)(d) X and Y have the same decay rate initially