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Earn +20 ptsQ: What is the speed of light constant?
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What does the speed of light equal in a vacuum?
The speed of light is a constant, C= 300,000 km per second.
Can the speed of light be changed?
no. speed of light is always constant . as long as the light stays in the same medium. the speed is generally slightly different in different media.
Which variable is used to represent the speed of light?
None. The speed of light is usually assumed to be constant. The symbol used to represent the speed of light is "C", as in E=MC2. Then why is it called a variable speed?
What is the average constant speed of light in vacuum?
The speed of light in vacuum is 299,792,458 meters per second, and that's not an average. That's what it always is.
How do determine planck's constant?
Energy/frequency or energy*wavelength/speed of light.
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