1. The smooth surface of the lake reflects light rays so that the observer sees an ________ of the landscape.
image

2. Mirrors
What is the law of reflection?
What type of image is produced by each of the three types of mirrors?

3. Mirrors
mirrors
Optics includes the study of how __________ and _____________ form images.
Light behaves in a predictable manner. When a ray of light approaches and reflects off a flat mirror, then the behavior of light as it reflects would follow the law of reflection. This law states that the angle of _________________ is equal to the angle of _________________.
lenses
reflection
incidence

4. Light is made up of rays that travel in ____________ lines.
Mirrors
Light is made up of rays that travel in ____________ lines.
A ____________ ______________ shows how the rays change direction when they strike mirrors and pass through lenses.
straight
ray
diagram

5. The Law of Reflection
The angle of incidence is the angle formed from the ray of light ______________ the mirror.
The angle of reflection is the angle formed as the ray of light ______________ the mirror.
approaching
leaves
Incident ray
Angle of incidence
Angle of reflection
Reflected ray

6. There are three types of mirrors: ___________________
Mirrors are made of a sheet of ____________ that is coated with a thin layer of shiny ___________ on one surface.
plane mirrors
concave mirrors
convex mirrors
glass
metal

7. Plane Mirrors
A mirror with a _________ ___________is a plane mirror. When you look into a plane mirror, you see your ___________ reflection—a right-left reversed image of yourself.
To produce your image in a mirror, rays of light strike you and _____________. The reflected rays strike the mirror and are reflected to your ___________. The rays appear to come from ____________ the mirror.
flat
surface
reversed
reflect
eyes
behind

8. Plane Mirrors A plane mirror produces a _____________ _____________ positioned behind the mirror. Although the rays of light seem to come from __________ the mirror, light from the source only exists in front of the mirror. The image in a plane mirror is not ______________ and appears to be as far behind the mirror as the object is in front of the mirror.
virtual
image
behind
magnified

9. Concave and Convex Mirrors
Concave Mirrors
When the _________surface of a curved mirror is the reflecting surface, the mirror is a concave mirror.
inside

10. Concave and Convex Mirrors
The curvature of the reflecting surface causes the reflected rays to come _______________.
The point at which the light rays meet is called the _______________ _____________.
together
focal
point
Focal point
Concave mirror

11. Concave and Convex Mirrors
The type of image formed depends upon where the object is in relation to a concave mirror:
_____________________
real image
virtual image

12. Concave and Convex Mirrors
When the object is farther from the mirror than the focal point, the reflected rays meet in front of the mirror to form a _________ ___________.
real
image
The image appears _____________
upside down
Focal point
Concave mirror

13. Concave and Convex Mirrors
When the object is closer to the mirror than the focal point is, the reflected rays spread out and appear to come from behind the mirror to form a __________ ____________.
virtual
image
Focal point
Concave mirror
Image is _________________
upright & magnified

14. Concave and Convex Mirrors
Concave mirrors are used in automobile headlights and flashlights to direct the illumination from a light bulb into a _________.
beam

15. Concave and Convex Mirrors Convex Mirrors
When the _________ surface of a curved mirror is the reflecting surface, the mirror is a convex mirror.
The curvature of the convex mirror causes the reflected rays to __________ ________.
outside
spread
out
Focal point
Convex mirror

16. Concave and Convex Mirrors
The image formed by a convex mirror is always __________ and _________than the object.
Convex mirrors can only form ___________ images.
upright
smaller
virtual
Focal point
Convex mirror

17. Concave and Convex Mirrors
Convex mirrors are often used in store aisles, at hazardous traffic intersections, and for ________ mirrors on vehicles because of their wide angle of _________.
side
view

18. The image in a plane mirror appears to be
Assessment Questions
The image in a plane mirror appears to be
in front of the mirror.
behind the mirror.
in the plane of the mirror.
perpendicular to the plane of the mirror.

19. A real image formed by a mirror is
Assessment Questions
A real image formed by a mirror is
always right-side up.
always smaller than the object.
always upside down.
only formed by convex mirrors.

20. An image of an object, formed by a convex mirror, is always
Assessment Questions
An image of an object, formed by a convex mirror, is always
upright and smaller than the object.
upside down and smaller than the object.
upright and larger than the object.
upside down and larger than the object.

21. Assessment Questions
4. According to the law of reflection, the angle of reflection is equal to the angle of incidence True False