What frequency does a photon of wavelength 4.5 * 10^-4 m have?

1 Answer
May 23, 2016

nu= 6.7xx10^11\ sec^-1

Explanation:

nu=c/lambda

nu -> "frequency in "sec^-1
c -> "speed of light = " 2.998xx10^8 \ m //sec
lambda ->"wave length = " 4.5xx10^-4 \ m

nu=(2.998xx10^8\ m//s)/(4.5xx10^-4\ m)

nu=(2.998xx10^8\ cancel(m)//s)/(4.5xx10^-4\ cancel(m))

nu= 6.7xx10^11\ sec^-1