a$.$ Which of the two ions will arrive first in an ion mobility experiment? $(1)$

b$.$ What will happen to the Arrival time of A if the charge were increased to $+2?(1)$

c$.$ What would happen to the speed of A if the N$2$ pressure increased? $(1)$

d$.$ What would happen to the speed of A if the length of the drift tube increased? $(1)$

e$.$ What type of radiation is likely being produced in this IMS device? What material is producing that radiation? $(2)$

$($A$)+1$

Drift Tube

$($B$)+1$

Detector