How do you convert wavelength of 688nm into hertz

[From: ] [author: ] [Date: 11-09-26] [Hit: ]

with the correct amount of significant figures :)

c = ν× λ or λ = c/ν ν = c/ λ
c = speed of light = 2.998×10^8 m s-1
ν = c/ λ = (2.998×10^8)/(688×10^-9) = 4.36×10^14 s^-1 (Hertz)

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