the number of crests in a light wave traveling from the sun to the Earth.
Find the number of crests in a light wave of frequency 1.4×1014 s^-1 traveling from the sun to the Earth.
Homework Answers
?=v/f
?=c/f
?=3x10^8 / 1.4x10^14
?=2.14285714x10^-6
So
1.5x10^8 / 2.14285714x10^-6=7x10^13 waves
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the number of crests in a light wave traveling from the sun to the Earth.
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