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Mr. O Unit F 2

QuestionAnswer
A transparent object with at least one curved surface is called a ______________. lens
What kind of telescope uses a mirror to focus an image? reflecting telescope
What kind of microscope uses two convex lenses? compound microscope
The light sensitive layer at the back of the eye is called the _____________. retina
Clear, thin lenses that are placed on the eye in front of the cornea are called ________. contact lenses
Objects that do not let light pass through them are called _________. opaque
What kind of microscope can make things appear hundreds of thousands of times bigger than they actually are? electron microscope
What did Anton van Leeuwenhoek make by using only one lens? simple microscope
Objects that allow the greatest amount of light to pass through them are __________. transparent
What is the name given to objects that let light pass through them but cause light to scatter in many directions? translucent
What kind of telescope use lenses to focus an image? refracting telescope
Which type of lens brings light together at a focal point? Convex lens
Whick type of lens causes parallel light rays to spread apart? concave lens
Whick type of lens produces an image that is larger than the object? convex lens
Which type of lens produces an image that is smaller than the object? concave lens
Created by: mr.olson
 

 



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