Light & Waves Flashcard 24-25

Flashcard
•
Science
•
9th Grade
•
Easy
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15 questions
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1.
FLASHCARD QUESTION
Front
What is the primary function of solar panels?
Back
Solar panels convert light waves into electricity.
2.
FLASHCARD QUESTION
Front
What is refraction?
Back
Refraction is the bending of light as it passes from one medium to another, such as from air into water.
3.
FLASHCARD QUESTION
Front
Which type of electromagnetic wave is most harmful to human tissue?
Back
Gamma rays are potentially the most harmful to human tissue.
4.
FLASHCARD QUESTION
Front
What does frequency measure in waves?
Back
Frequency is defined as the number of wave cycles that pass a fixed point in one second.
5.
FLASHCARD QUESTION
Front
What principle allows light to travel long distances in fiber optics?
Back
The principle of reflection allows light to travel long distances with minimal loss in fiber optic communication.
6.
FLASHCARD QUESTION
Front
What are electromagnetic waves?
Back
Electromagnetic waves are waves that can travel through the vacuum of space and consist of oscillating electric and magnetic fields.
7.
FLASHCARD QUESTION
Front
What is the speed of light in a vacuum?
Back
The speed of light in a vacuum is approximately 299,792 kilometers per second (km/s).
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