(a)[4]
Complete the entries in Table 11.1.
(b(i))[1]
State which radioactive emission is the most ionising.
(b(ii))[1]
State which radioactive emission is the most penetrating.
(c(i))[2]
Determine the half-life of californium-241.
(c(ii))[1]
Predict the count rate of this sample of californium-241 when time = 14 min.