What happens to light when their crests meet?

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What happens to light when their crests meet?

I need to know this question quickly if anyone knows this

2007-03-11 09:18:15 · 2 answers · asked by Slasher 2 in Science & Mathematics ➔ Physics

2 answers

if the crests of the light waves are in phase they interfere constructivly, increasing the intensity.

if they are out of phase the will destructively interfere, decreasing the intensity of the light.

2007-03-11 09:23:30 · answer #1 · answered by Anonymous · 0⤊ 0⤋

depends:
http://en.wikipedia.org/wiki/Interference

2007-03-11 16:22:30 · answer #2 · answered by arbiter007 6 · 0⤊ 0⤋