2. Plane mirror: a regular, flat mirror like those used in bathrooms, in cars, by dentists, etc. A mirror is just a reflective surface (made of a thin sheet of metal) that has a layer of glass over it to protect it

3. When you look into a plane mirror, the image appears to be behind the mirror (with left and right reversed )

4. Materials: plane mirror, paper, pencil  Place the mirror on the paper and hold it there with your hand  While LOOKING into the mirror, try and print you name on the piece of paper so that it appears correctly IN THE MIRROR not on the page  You might need to practice.  Try it with your non-dominant hand  Try writing a secret message to a friend and have them de-code it  Check the accuracy of de-coding the message with the mirror

5.  The reflection of light off a smooth, shiny surface

6.  The incident ray, the reflected ray, and the normal all lie in the same plane.  The angle of incidence equals the angle of reflection.

7.  Occurs when light hits an irregular surface Diffuse light is much easier on the eyes so rooms are designed with this in mind Ceilings often coated with stucco or other irregular material Lamp bulbs are often frosted Lampshades also help to diffuse light

8. ← Specular Diffuse ↓

9. An optical device is any device that produces an image of an object Ex. A mirror, camera, magnifying glass, microscope, telescope, your eyes, etc.

10.  There are two types of images created from an optical device 1) Virtual Image: an image that cannot be placed on a screen but that can be seen only by looking at or through an optical device Ex. A plane mirror – the image we see appears to be on the opposite side of the mirror ……. so is virtual

11. 2) Real Image: an image that can be placed on a screen, such as a piece of paper, and that can be seen without looking at or through an optical device Example. The image produced by a slide or overhead projector is real because it can be placed on a screen With mirrors, a real image is produced when it is on the same side of the mirror as the object (we will see how this is possible later)

13. SizeAttitudeLocationType Image Large Same SmallUpright or Inverted In front or behind mirror Virtual or real When describing an image you need to consider 4 characteristics known as SALT: S= Size of image A= Attitude of image L= Location of image T= Type of image

15. An image in a plane mirror is always: S= same size A= Upright but backwards L= Behind the mirror (same distance as object in front) T= Virtual image