Prisms
lenses 'N' stuff
Seeing Colors
Test Review
Test Questions
100

 The passage of light through an object is called ___________________________.  

Transmission

100

Which crayon absorbs all colors of light?

Black

100

Which cells in the eye’s retina detect color?  

Cones

100
Describe how a prism works.
What is refracts white light so it breaks apart into its separate colors.
100
What is absorption and an example of absorption?
What is stopping the light. An example is a curtain.
200
True or False: Different colors of light travel at the SAME speed in water and in glass.
What is false; they travel at different speeds
200

14.  A(n)________________ lens causes light rays to come together at a point.  

convex

200
True or False: The light that is not absorbed is refracted and is the color you see.
What is false: it's reflected
200

A(n)____________________________ is an optical device that produces a narrow beam of coherent light.  

LASER

200
What is refraction?
What is the bending of light when it moves from one kind of matter to another
300
What is a prism?
What is a solid object that bends light.
300

A(n) __________   material, such as wood or metal, does not allow light to pass through it.  

opaque

300

A magnifying glass is a(n)____________ lens; the light rays bend toward the normal and toward the optical axis.

convex

300
What happens if you add different colors of light?
What is you get other colors
300
What is reflection and an example of something that shows a reflection?
What is the bouncing of light off an object. An example might be a mirror
400
What happens when white light hits a prism?
What is the colors bend at different angles/directions.
400

With many materials, light can__________ or bounce, off the surface as well as be transmitted and absorbed.

reflect

400

What color would result from the mixing of magenta and cyan pigments?  

blue

400

Which type of image does a rough surface produce?  

diffuse

400

A three-dimensional laser photograph of an object is a(n) ________________________.  

Hologram

500
What happens when light passes through a prism?
What is it makes a rainbow.
500

The transfer of energy by a wave to the medium through which it travels is called __________ .  

absorption

500
What are the 3 basic light colors?
What is red, blue and green
500

 Which mirror(s) can produce a virtual image?  

Convex and Concave

500

An optical fiber transmits telephone and television signals in the form of  

light

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