27 The energy flux of sunlight reaching the surface of the

Last updated: 6/9/2023

27 The energy flux of sunlight reaching the surface of the earth is 1 388 x 10 W m How many photons nearly per square metre are incident on the Earth per second Assume that the photons in the sunlight have an average wavelength of 550nm 1 2 51 10 2 3 84 10 1 21