COLORS
Which of the following has the greatest frequency?
Red, Green, Blue, Violet
Violet
Convex lens is also called C________ L_____.
Converging Lens
What type of mirrors are usually present in malls and grocery stores used for wider views?
Convex mirrors
Bending of light through a transparent medium is called _____.
If the angle of incidence is 40 degrees, what is the angle of reflection?
40 degrees
Red light plus Green light produces _____light.
Yellow
What type of lens is present in the human eye?
Convex Lens
What mirror produces inverted and real image?
Concave mirror
(S) stands for regular reflection on a smooth reflecting surface.
Specular
What is half of the angle of reflection if the angle of incidence is 30 degrees?
15 degrees
Cyan is also called B____________.
Blue-green
Diverging lens is also called ________.
Concave Lens
Virtual images
What do you call the angle just right that it does not create total internal reflection?
Critical angle
What do you call the length between the focal point and the mirror?
Focal length
When light passes through a prism, it produces rainbow spectrum. This optical phenomenon is called D_______________.
Dispersion
What lens produces real, inverted and enlarged image?
Convex Lens
Concave mirrors are also called C_________ M_____.
Converging mirrors
(n) stands for the ratio of speed of light in a vacuum and speed of light in a transparent medium.
Index of refraction or Refractive index
Red light + Green light+ Blue light=
White
Which of the following does not belong to the group, CYAN, YELLOW, RED, MAGENTA
RED
A lens produces, small, upright, and virtual image. What type of lens is this?
Concave Lens
Diverging mirrors are also called ______.
Convex mirrors
Diamonds produce different colors because of _____________.
Total Internal Reflection
(Theta r) represents _______, if the light passes from air to water.
Angle of refraction