optics

An online crossword puzzle with 20 words. Play it free at AgileCrosswords.com.

Clues

transforming chemical energy into light energy with no change in temperature
any process used by living things to transform chemical energy into light energy
a process of emitting light for some time after recieving energy from another source
a measure of how much light can pass through a material
a material that transmits light a clear image can be seen through the material
a lens that is thinner in the middle then its outside edge
the bending of light as it travels from one material to another
desribes a material that does not transmit any light
an area where light has been blocked by a solid object
a form of radiant energy that travels in electromagnetic waves and can be detected by the human eye
a curved, transparent device designed to cause light to refract in a paticular way as it passes on
summary of what is known about regular relection
the process of emitting light because of high temperature
the process of emitting light while recieving energy from another source
a material that transmits light but also reflects and absorbs light
the distance between the crest of one wave and the crest of the next
describes an object that emits it's own light
the part of a shadow where some light from the source reaches
the line drawn from the point of incidence at 90 degrees to the optical device
the part of a shadow where no light from the sourse reaches