Draw a reflected light ray and a refracted light ray.
Answers may vary
What type of lens is concave?
diverging lens
Light is traveling in air and hits the ocean. What happens to the speed of light when it enters the water?
it slows down
What kind of wave is an electromagnetic wave? longitudinal or transverse?
Transverse
If you shine a green light on a cyan shirt, what color will the shirt appear? Assume the short color is done with dyes that use the subtractive primary colors.
green
If magenta and yellow ink is mixed, what color ink will you get?
red
What type of lens is convex?
converging lens
What do we call a material that light cannot travel through?
opaque
What visible light waves have the longest wavelength?
red light
If you shine a blue light on a cyan shirt, what color will the shirt appear? Assume the short color is done with dyes that use the subtractive primary colors.
blue
If a computer monitor makes a green dot and a red dot in the same place, what color will you see?
yellow
What type of lens bends light rays outward?
diverging lens
Does light travels fastest in solids, gases, or liquids?
Gases
What two kinds of fields does an electromagnetic wave have?
electric and magnetic
If you shine a blue light on a magenta shirt, what color will the shirt appear? Assume the short color is done with dyes that use the subtractive primary colors.
blue
Why does a straw sitting in a cup of water look bent?
What does the eye do to change its focus?
it changes the shape of the lens
What is the difference between polarized and unpolarized?
unpolarized light vibrates in all directions; while polarized light vibrates in one direction
Which electromagnetic waves have the shortest wavelength?
gamma rays
If you shine a red light on a magenta shirt, what color will the shirt appear? Assume the short color is done with dyes that use the subtractive primary colors.
red
Which is the currently accepted theory of light?
the quantum mechanical theory of light (Einstein's wave-particle theory)
What type of lens focuses light at one single point?
converging lens
What is the law of reflection?
The law of reflection states that the angle of reflection is equal to the angle of incidence.
Do electromagnetic waves need a medium to travel through?
No
If you shine a blue light on a yellow shirt, what color will the shirt appear? Assume the short color is done with dyes that use the subtractive primary colors.
black