What is the name for the layer of cells at the back of the eye that contains photoreceptors?

(a) lens

(b) retina

(c) cornea

(d) pupil

What is the thinnest soap film (excluding the case of zero thickness) that appears black when illuminated with light with a wavelength of 480 ? the index of refraction of the film is 1.34, and there is air on both sides of the film. express your answer in nanometers. hint 1. how to approach th

The force it would take to accelerate an 900-kg car at the rate of 6m/s2

By what primary heat transfer mechanism does the sun warm the earth?