Question: what is the frequency of a photon having a wavelength of 141.8 nm?
Answer: What is the frequency of a photon having a wavelength of 141.8 nm? (c = 3.00 × 108m/s, h = 6.63 × 10–34 J · s) Thus, the photon has a frequency (v) of 2.12 x 1015 Hz.