Light
Beginning of paper
is what we see. It can be thought of either as a particle, (the photon), or as a wave. The photon we can easily think of as a small dot travelling through space at the speed of . Each photon has a particular colour or energy. But how do we think of as a wave? For this we need to know that is als ....
Middle of paper
.... us both to make more intense , as well as select of a particular colour (or energy).
¨ travels at a speed of 2.99792458x10^{8} ms^{-1}
¨ When passing though matter, is slowed down by brief interactions, and so appears to travel more slowly.
¨ This "slowing down" is accounted for by the index of refraction of the matter.
's properties can at first seem confusing and inconsistent because of
the unique nature of light: light has the properties of both a wave and a
particle. In some situa ....
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Word count: 815
Page count: 3 (approximately 250 words per page)
