Lenses.
Flashcard
•
Science
•
8th Grade
•
Practice Problem
•
Hard
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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 curved on both sides, thicker in the middle, and thinner at the edges. It converges light rays that pass through it.
2.
FLASHCARD QUESTION
Front
What is a concave lens?
Back
A concave lens is a lens that is curved inward, thinner in the middle, and thicker at the edges. It diverges light rays that pass through it.
3.
FLASHCARD QUESTION
Front
What type of lens is used in cameras?
Back
A camera uses a convex lens to focus light and capture images.
4.
FLASHCARD QUESTION
Front
What type of lens is used in peepholes?
Back
A peephole uses a concave lens to allow a wider view while maintaining privacy.
5.
FLASHCARD QUESTION
Front
Which lens is used in glasses for nearsightedness?
Back
Glasses for nearsightedness typically use concave lenses to diverge light before it enters the eye.
6.
FLASHCARD QUESTION
Front
What is the primary function of a convex lens?
Back
The primary function of a convex lens is to converge light rays to a focal point.
7.
FLASHCARD QUESTION
Front
What is the primary function of a concave lens?
Back
The primary function of a concave lens is to diverge light rays, spreading them out.
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