Medical Applications of Physics

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  • Created by: Eloise
  • Created on: 19-03-16 11:32
What's the power of a lens formula? What two things effect focal length?
Power = 1/focal length Refractive index of a material and Curvature of the lens two surfaces
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What's the magnification formula? What lens is used for magnifying glass?
Magnification=image height/object height Converging
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Name the main parts of the eye
Cornea, pupil, aqueous humor, iris, suspensory ligaments, lens, cilliary muscles, viterous humour, retina and optic nerve
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What does the cornea, iris and pupil do?
C: focuses eye (convex shape, high RI) I: controls size of pupil (muscle) P: controls the intensity of light entering eye
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What does the lens and retina do? what image is formed?
L: changes shape to focus light (muscles contract, ligaments relax, lens fat) R: where images formed by light sensitive cells sending signals to brain Image: real, inverted
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Other cards in this set

Card 2

Front

What's the magnification formula? What lens is used for magnifying glass?

Back

Magnification=image height/object height Converging

Card 3

Front

Name the main parts of the eye

Back

Preview of the front of card 3

Card 4

Front

What does the cornea, iris and pupil do?

Back

Preview of the front of card 4

Card 5

Front

What does the lens and retina do? what image is formed?

Back

Preview of the front of card 5

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