| OCR Text |
Show CHAPTER III SOME PHYSICAL ASPECTS OF LIGHT AND SHADE Before understand nature. we the simulate the shade can true space without attenuation in its effects on all the until path on our light before it we reaches falls on in made. on For seen. some the quality the any object, The they It energy. must we occur in permeates other way. objects only We object an light only because of its see because of the effect that they have us. any or of the restricted of form as other form when it strikes material, three things (3) transmitted. at each light world on three the visual of solid opaque of (1) the energy three occur, but all These and the material important question occur: can Usually wavelength. and the effect of each of them light is not considered. be some see proportion of each is different interconnected of like many other forms of energy, cannot be known to and, absorbed, (2) reflected, depends electromagnetic an changed eyes, and light is is converted into is or When is it color physical laws which determine these aspects Physically, light exist at and phenomena the are impression of objects which the objects, the objects are tr ansmitt ance of is how the color of an ob jed can |
