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Unit 10: Effects of injuries to the cornea in the eyes
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Unit 10 · Effects of injuries to the cornea in the eyes
Lens
Science
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8 min
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Question 1 of 14
1
Which of these is the correct definition of a lens?
A shiny surface that reflects light back
A transparent medium that has at least one spherical surface
A piece of glass with both faces flat
A transparent object with three rectangular faces