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What is the frequency in hertz of blue light having a wavelength of 425 nm?

1 Answer
Nov 3, 2015

Answer:

#7,0588xx10^(14)Hz#

Explanation:

Using the equation for the speed of a light wave, and knowing its speed in air, we get :

#c=flambda#

#thereforef=c/lambda=(3xx10^8m//s)/(425xx10^(-9)m)=7,0588xx10^(14)Hz#