Optics Objectives 01 02 03 04 05 06 07 08 09 10 11 12 15 16 17 Build Your Understanding (BYU) 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 Check Your Understanding (CYU) 01 02 03 04 05 06 07 08 *09 10 11 12 13 14 15 16 17 Challenge Your Understanding (ChYU) 01 02 03