speed of light
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11 Terms
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Speed of light
The speed of light is extremely fast; exact measurements reveal its finite speed.
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Wavelength and frequency relationship
Shorter wavelength means higher frequency and more energy; longer wavelength means lower frequency and less energy.
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Blue light vs Red light
Blue light has more energy than red light due to its shorter wavelength.
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Ultraviolet light vs Infrared light
Ultraviolet light has more energy than infrared light.
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White light
White light is a mixture of different colors, commonly represented as ROYGBIV.
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Doppler effect
The change in frequency of a wave in relation to an observer moving relative to the wave source.
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Higher frequency
A sound source coming towards the observer will result in a higher frequency sound.
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Temperature
Temperature is a measure of the average internal energy and average speed of particles in a system.
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Kelvin scale
A temperature scale where 0 K is absolute zero, and it measures the internal energy based on atomic and molecular motion.
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Water freezing point on Kelvin scale
Water freezes at 273.15 K.
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Water boiling point on Kelvin scale
Water boils at 373.15 K.
Flashcards (22)