5 a The wavelength in a vacuum of electromagnetic radiation

Last updated: 7/3/2023

5 a The wavelength in a vacuum of electromagnetic radiation is 275 nm What is the frequency of this radiation b What is the energy in joules of a photon in air of radiation with a wavelength of 589 nm h 6 626 x 10 4 Js c 2 998 x 108 m sl