Characteristics of Light
Flat Mirrors
Curved Mirrors
Concave Mirrors
Convex Mirrors
100
A wave that consists of oscillating electric and magnetic fields, which radiate outward from the source at the speed of light.
Electromagnetic Wave
100
True or False: the image is always closer than the object in flat mirrors
False
100
A mirror whose reflecting surface is a segment of the inside of a sphere
concave mirror
100
Concave mirrors can form what type of images?
Real and Virtual
100
A convex mirror will form what type of images?
Virtual Only
200
What is the speed of light?
3 X 10 ^ 8 m/s
200
The change in direction of an electromagnetic wave at a surface that it causes it to move away from the surface.
Reflection
200
A mirror whose reflecting surface is an outward-curved segment of a sphere
convex mirror
200
For a concave mirror the P, C, and F have what signs? + or -
+ for all
200
For a convex mirror, P, C, and F have which signs? + or -
P + C and F -
300
What is the wave speed equation?
speed of light = frequency x wavelength
300
The angle formed by the line perpendicular to a surface and the direction in which a reflected ray moves.
Angle of Reflection
300
An image that is formed by the intersection of light rays; can be projected on a screen
Real Image
300
An object that is placed at F on a concave mirror will produce what type of image?
No Image
300
An object is placed 30 cm in front of a convex mirror. A virtual image is formed 20 cm from the mirror. Find the focal length.
-60 cm
400
Gamma rays have a wave speed of 3x10^8 m/s. If the frequency is 3x10^21 Hz. What is the wavelength of these gamma rays.
1x10^-13 m
400
An image from which light rays appear to diverge, even though they are not actually focused there; cannot be projected on a screen.
Virtual Image
400
Rays that reflect at points on the mirror far from the principal axis converge at slightly different points to produce a blurred image. What is this called?
spherical aberration
400
An object that is placed between C and F on a concave mirror will produce (1) what type of image (2) located where (3) what magnification (smaller, larger, same size)
real image outside of C larger
400
An image is formed 8 cm behind a convex spherical mirror with a focal length of 12 cm. Where is the object located?
24 cm
500
What is the formula to figure out illuminance?
1/r^2
500
The angle between a ray that strikes a surface and the line perpendicular to that surface at the point of contact.
Angle of incidence
500
What are the three rules used to draw a ray diagram?
1 parallel - through focal 2 through focal - parallel 3 through c
500
An object is placed 45 cm in front of a concave mirror with a focal length of 25 cm. Find the image distance, magnification, and type of image formed (real/virtual, upright/inverted)
q = 56 cm M = -1.2 real and inverted
500
A pencil is placed in front of a convex mirror with a focal length of 8 cm. An image 2.50 cm tall is formed 4.44 cm behind the mirror. Find the position of the object, magnification, and the height of the pencil.
p = 10 cm M = 0.444 h = 5.63 cm