the same cause ; and. if so, what is the cause? Thedisc(nery of it is due to Sir Isaac Newton, who was 1-20 SLIENCK ri;l.MKl!S. [lu-.ht n:uM the first to show th;i( wliite light is in reality composedof a gi-eat many differently coloured rays mixed to-gether, and that these rays are in their… … Fii. 38. Suppose, for instance, that we have a narrowvertical or up-and-down slit in the shutter of a darkenedroom through which the full sunlight is allowed topass ;—in fig. 38 we have a plan of this arrangementlooking down upon it from above, or taking, as it were,a birds-eye vieAv of it. Now if…
Physics
Internet Archive · University of Toronto Libraries · Public Domain Mark 1.0. Free to use for anything.
