EM Spectrum

Flashcard
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Physics
•
6th - 9th Grade
•
Medium
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15 questions
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1.
FLASHCARD QUESTION
Front
What type of EM wave is used to cook food and has a higher frequency than radio waves?
Back
Microwave
2.
FLASHCARD QUESTION
Front
Which type of EM wave is used by cell phones and televisions, characterized by the longest wavelength and lowest frequency?
Back
Radio wave
3.
FLASHCARD QUESTION
Front
If an object appears blue, what does this indicate about the colors of light?
Back
All colors are absorbed except blue; blue is reflected.
4.
FLASHCARD QUESTION
Front
What portion of the electromagnetic spectrum can be detected by the human eye?
Back
Visible light
5.
FLASHCARD QUESTION
Front
If an object appears black, what does this mean about the colors of the visible light spectrum?
Back
All 7 colors of the visible light spectrum are absorbed.
6.
FLASHCARD QUESTION
Front
What is the electromagnetic spectrum?
Back
The range of all types of EM radiation, including radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, and gamma rays.
7.
FLASHCARD QUESTION
Front
What is the frequency of a wave?
Back
The number of waves that pass a point in one second, measured in Hertz (Hz).
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