Light Yr10
Use the booklet as the main resource
Revision - Try these sites
ROYGBIV
Interference and reflection etc
https://www.youtube.com/watch?v=SQggDnScsvI

Light revision on youtube
http://www.youtube.com/watch?v=2dRr-fnPCwM&list=PLED25F943F8D6081C&index=8