What type of electromagnetic wave has the longest wavelength?
Waves Review - 6th

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Physics
•
7th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
Radio waves.
2.
FLASHCARD QUESTION
Front
Why does an apple appear red to the human eye?
Back
An apple reflects red light and absorbs all other visible wavelengths.
3.
FLASHCARD QUESTION
Front
Where is visible light located on the Electromagnetic Spectrum?
Back
In the middle of the spectrum.
4.
FLASHCARD QUESTION
Front
What optical phenomenon causes objects to appear distorted when viewed through water?
Back
Refraction.
5.
FLASHCARD QUESTION
Front
What is the relationship between the medium and the speed of sound?
Back
Sound travels faster through solids than through liquids or gases.
6.
FLASHCARD QUESTION
Front
What is the definition of wavelength in the context of waves?
Back
Wavelength is the distance between successive crests of a wave.
7.
FLASHCARD QUESTION
Front
What is the speed of light in a vacuum?
Back
Approximately 299,792 kilometers per second (km/s).
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