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given a wavelength of 0.7 um and a light source emission of 1.2 watts (uniformly in...

given a wavelength of 0.7 um and a light source emission of 1.2 watts (uniformly in all directions) what is the frequency of the light?

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Answer #1

speed of light = v = 3x108 m/s

f = v/λ

= (3x108 m/s)/(0.7x10-6 m)

= 4.3x1014 Hz

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