Light with intensity 18 W cm falls on non reflecting surface

Last updated: 6/27/2023

Light with intensity 18 W cm falls on non reflecting surface at normal incidence If surface has an area of 20 cm2 find the average power exertec surface during time span of one minute 0 1 2 x 10 6 N 2 4 x 10 6 N 3 2 x 10 6 N 1 9 10 5 N