The image in a plane mirror will appear to come from 1.___the mirror. Since there is nothing behind the mirror, the image is called a 2.___ image. Mirrors that have a curve like the bowl of a spoon are called 3 ___mirrors. Beams of light parallel to the optical axis will strike a concave mirror and be reflected to pass through a point on the optical axis called the 4.___ point The type of mirror like the back of the spoon is called 5.___ mirror. The image in this mirror will appear to be behind the mirror and be upright but 6.____ than the original object. A convex lens has thin edge and a 7. ____middle Another type of lens is thicker at the edge than the middle and is called 8._____ lens. Parallel rays of light are refracted toward each other and brought to a focal point of 9.____ lens. A concave lens is used in 10._____
