you will get full refund, less clerical charges, in case if u r tkt remains in WL after charting.. u need to surrender d tkt at d nearst PRS counter to get refund, since it is PRS tkt. But if u want to travel with WL tkt u can do but in General coach ONLY..
If it is in RAC after charting, for both, u can travel in d reserved coach, u will b given seat initially, after chkng, if any berths vacant due to last min cancelation / pax not turning, TTE will allot d berth as per sequential of RAC.
In...
more... case of Partial CNF, i.e. one tkt gets CNF and other remains in WL, u can travel along with reserved pax, subject to TTE