Answers: 3
if the wavelength is observed in vacuum.
, 
is the frequency of this beam of light,
is its wavelength, and
is the speed of light.
in vacuum and in the earth atmosphere. However, the value of 
.
is the SI unit for speed.
is the SI unit for distance. 
.
.
. In other words, 
.
.
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Abeam of light has 600 nm what is the frequency...
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