Labels:book | comic book | daily | person | school newspaper | streetlight | videotape | windowpane OCR: RAYS AND SHADOWS THE PASSAGE oflight is often an object, this creates an area without described terms of rays, which light called shadow The size of at travel in straight lines. If there is an object * shadow depends on two object in the way of some things: the size of the light the rays, their passage source, and the distance of blocked. Since light the light source from the cannot bend around object and the shadow Penumbra Silhouette The French artist Etienne de Silbouette (1709 67 gave his Umbra name to the shadow M portraits created Casting shadow An object casts two- part shadow umbra full and the penumbra part- shadow) adow Penumhr