Light and Electrical review

Lenses are used in many items including microscopes and glasses.  How do these lenses interact with light?

The diagram shows a series circuit with three lit bulbs. How many of the bulbs will remain lit if the wire is cut a the point shown by the arrow?

All the lightbulbs in this circuit are lit. Which change would cause all the bulbs to go out?

Light hitting a mirror and bouncing off is an example of _____________________.

Light passing through a lens and bending is an example of ______________________________.

bending or breaking of light as it passes from one medium to another (from air to water)