Lenses
Flashcard
•
Physics
•
8th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a lens?
Back
A lens is a transparent optical device that refracts light to converge or diverge beams.
2.
FLASHCARD QUESTION
Front
What are the two main types of lenses?
Back
Concave and Convex lenses.
3.
FLASHCARD QUESTION
Front
What is a concave lens?
Back
A concave lens is a lens that diverges light rays that are incident on it.
4.
FLASHCARD QUESTION
Front
What is a convex lens?
Back
A convex lens is a lens that converges light rays that are incident on it.
5.
FLASHCARD QUESTION
Front
How does a concave lens affect light?
Back
It causes light rays to diverge.
6.
FLASHCARD QUESTION
Front
How does a convex lens affect light?
Back
It causes light rays to converge.
7.
FLASHCARD QUESTION
Front
What type of image does a concave lens produce?
Back
A virtual, upright image.
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