What does "EM" in the EM spectrum stand for?
Electromagnetic
What do we call the bending of light as it passes from one medium to another? (ex. from air to water)
Refraction
Plane mirrors form ______ (real or virtual) images
Virtual
What are the three primary colours of light in additive color theory?
Red, Blue, Green
Type of mirror that has a flat surface
What type of EM radiation causes sunburns?
What is it called when light passes right through a medium?
What type of mirror is used in security mirrors to provide a wide field of view?
Convex mirrors
What are the three primary colors in subtractive colour theory used in printing?
Cyan, Magenta, Yellow
Type of mirror that bends away from the object
Convex
What type of EM radiation has the longest wavelength?
Radiowaves
What is it called when light hits a black surface such as the chalkboard?
It is absorbed
What do we call the ray of light that comes directly from the light source?
Incidence ray
What colour is created by combining red and green light?
Yellow
Type of mirror that bends towards the object
What is the correct order of colors in visible light, starting with the longest wavelength?
Red, Orange, Yellow, Green, Blue, Indigo, Violet
What colours is white light made up of?
ALL (ROYGBIV)
What is the law of reflection?
The angle of incidence equals the angle of reflection
In additive colour mixing, combining all three primary colours equally results in which color?
White
Concave
Which electromagnetic wave is used in cancer treatments and has the shortest wavelength?
Gamma rays
Green leaves ______ green light which is why we see this colour
Reflect
What is the name of the imaginary line perpendicular to the surface of a mirror?
In subtractive colour mixing, combining all three primary colours equally results in which colour?
Black
In which mirror are virtual images minimized so that we can see more information?
Convex