Calculate the frequency and energy of a photon of wavelength 589 nm.

Explanation

Frequency, `v=(c )/(lambda)=(3.0xx10^(8)ms^(-1))/(589xx10^(-9)m)=5.093xx10^(-14)s^(-1)`
Energy, `E=hv=6.626xx10^(-34) J xx 5.093xx10^(14)s^(-1)=3.375xx10^(-19)J`