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Chapter 30 pp 2

powerpont questions #2

QuestionAnswer
The size and location of the object is one of the factors that determines the image formed what are the other two factors? 1-the distance from the center of the lens2-the focal length of the lens
Know how to follow the rules of the three principal rays. A ray parallel to the axispassing through the focal point. A ray through the center. A ray through the focal point.
In a ray diagram for converging lenses the position of the object in relation to the focal point determines what? the size and the type of the image
Make sure you study the table in section 30.4 of your power point notes.
The image and the object are always on opposite sides of the lenses when what kind of image is formed? a real image
The image and the object are always on the same side of the lens when what kind of image is formed? a virtual image
When and where were the eyeglasses invented? Italy, late 1200's
What is it called when the camera uses compound lenses to minimize destortions? aberrations
In a camera what is the opening called? aperture
What are the two main types of telescopes astronomical and terrestrial
Which type of telescope uses two lenses and has an image that is inverted? astronomical
Which type of telescope uses three lenses and has an image that is upright? terrestrial
What type of optical instrument uses an eyepiece and an objective lens? a compound microscope
What type of optical instrument uses a combination of mirrors and lenses to produce a real, enlarged image? a projector
Created by: MSeise