Mirrors and Lenses

Flashcard
•
Science
•
7th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a convex mirror?
Back
A convex mirror is a curved mirror that bulges outward, causing light rays to spread out. It produces virtual images that are smaller than the object.
2.
FLASHCARD QUESTION
Front
What type of image can a convex lens produce?
Back
A convex lens can produce both real and virtual images depending on the position of the object relative to the lens.
3.
FLASHCARD QUESTION
Front
What is refraction?
Back
Refraction is the bending of light as it passes from one medium to another, caused by a change in its speed.
4.
FLASHCARD QUESTION
Front
What is reflection?
Back
Reflection is the bouncing back of light when it hits a surface, such as a mirror.
5.
FLASHCARD QUESTION
Front
What is a virtual image?
Back
A virtual image is an image formed by rays of light that appear to diverge from a point, but do not actually converge. It cannot be projected on a screen.
6.
FLASHCARD QUESTION
Front
What is a real image?
Back
A real image is formed when light rays converge and can be projected onto a screen. It is usually inverted.
7.
FLASHCARD QUESTION
Front
What happens to light rays when they hit a concave mirror?
Back
Light rays that hit a concave mirror converge to a focal point, allowing it to produce real images.
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