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15 Cards in this Set
- Front
- Back
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Wavelength |
The distance from the start of one wave to the start of the next wave |
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Frequency |
Number of complete waves that pass a point in a given time |
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Long wave length = |
low frequency and energy |
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Short wave length= |
high frequency and energy |
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ES |
The range of all possible frequencies of electromagnetic radiation |
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What are all the waves from lowest frequency to highest? |
Radio waves Microwaves Infrared Visible Ultra Violet x-rays Gamma-rays |
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Which wave is related for the big bang theory? |
Microwaves are evidence for the Big Bang Theory |
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Which wave is the only one that we can see? |
Visible light |
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How does it appear? |
As the colors of the rainbow |
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Which wave carries the most amount of energy? |
Gamma rays |
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Which rays carry a great amount of energy? |
x-rays |
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How fast do electromagnetic waves travel? |
300,000,000 meters/sec (light speed) in a vacum |
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What is a spectrum? |
A series of lines that show the composition, temperature, speed, and direction of motion of a star. |
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What is a Doppler shift? |
The light from moving objects will appear to have different wave lengths |
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What is the difference between a blue and red shift? |
blue= moving towards red=moving away |
