Q1. Study concepts presented in the pull-down menu located in the upper left corner of Interactive Microscopy. List the order of the coloured threads from top to bottom. Which magnification was most helpful in making this determination? What optical principles are involved here and describe the role of each?

Q2. While the suicide victim was found the coroner was unable to remove the drug vial that was clutched in the victim's hand. Explain the cause. If victim had been found three days later would they have the same troubles?