Mirrors
Flashcard
•
Science
•
11th Grade
•
Practice Problem
•
Hard
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15 questions
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1.
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 inverted and can be captured on a surface.
2.
FLASHCARD QUESTION
Front
What is a virtual image?
Back
A virtual image is formed when light rays appear to diverge from a point. It cannot be projected onto a screen and is upright.
3.
FLASHCARD QUESTION
Front
What is the focal length of a mirror?
Back
The focal length is the distance from the mirror's surface to the focal point, where parallel rays of light converge.
4.
FLASHCARD QUESTION
Front
If the focal length is 10 cm and the object is placed 15 cm away, where is the image located?
Back
30 cm away from the mirror.
5.
FLASHCARD QUESTION
Front
What does the Law of Reflection state?
Back
The Law of Reflection states that the angle of incidence is equal to the angle of reflection.
6.
FLASHCARD QUESTION
Front
If Θ1 is 70 degrees, what is Θ2?
Back
Θ2 is 20 degrees.
7.
FLASHCARD QUESTION
Front
What is the speed of electromagnetic waves in a vacuum?
Back
All electromagnetic waves travel at the same speed in a vacuum, which is approximately 3 x 10^8 m/s.
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