Concave and Convex Lenses Review

Flashcard
•
Science
•
8th Grade
•
Hard
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a convex lens?
Back
A convex lens is a lens that is thicker in the middle than at the edges, causing light rays that pass through it to converge or come together.
Tags
NGSS.MS-PS4-2
2.
FLASHCARD QUESTION
Front
What is a concave lens?
Back
A concave lens is a lens that is thinner in the middle than at the edges, causing light rays that pass through it to diverge or spread apart.
Tags
NGSS.MS-PS4-2
3.
FLASHCARD QUESTION
Front
How does a convex lens affect light rays?
Back
A convex lens refracts light rays inward, causing them to converge to a focal point.
Tags
NGSS.MS-PS4-2
4.
FLASHCARD QUESTION
Front
How does a concave lens affect light rays?
Back
A concave lens refracts light rays outward, causing them to diverge.
Tags
NGSS.MS-PS4-2
5.
FLASHCARD QUESTION
Front
What is the focal point of a lens?
Back
The focal point is the point where light rays either converge (in a convex lens) or appear to diverge from (in a concave lens).
6.
FLASHCARD QUESTION
Front
What is the difference between real and virtual images?
Back
Real images are formed when light rays converge and can be projected on a screen, while virtual images are formed when light rays diverge and cannot be projected.
7.
FLASHCARD QUESTION
Front
What are some common applications of convex lenses?
Back
Convex lenses are used in magnifying glasses, cameras, and eyeglasses for farsightedness.
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