Please help me guys please help please

Anodyne asked Sep 28, 2023

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Anodyne asked Sep 28, 2023

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17 votes

Answer:

C = frequency × wavelength, where C is the speed of the photons which is the speed of light ~3×10^8

frequency = C/wavelength

f = 3×10^8/400×10^-9m

f = 3/4 × 10^15Hz

f = 0.75×10^15Hz

f = 7.5×10^14Hz

Andrechalom answered Oct 4, 2023

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