The Encyclopedia Americana, Količina 17Grolier Incorporated, 1998 |
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Zadetki 1–3 od 63
Stran 440
... direction with the same wavelength are identical . The associated electric field can point in any direction per- pendicular to the direction of propagation , and rays with different directions of the field exhibit different properties ...
... direction with the same wavelength are identical . The associated electric field can point in any direction per- pendicular to the direction of propagation , and rays with different directions of the field exhibit different properties ...
Stran 442
... direction . If the surface is a plane , and the incident direction makes some angle with the perpendicular to the plane , then the reflected light will make the same angle with = Fig . 5. REFRACTION . Snell's law states that the ratio ...
... direction . If the surface is a plane , and the incident direction makes some angle with the perpendicular to the plane , then the reflected light will make the same angle with = Fig . 5. REFRACTION . Snell's law states that the ratio ...
Stran 443
... direction different from that of the entering light . this is impossible , it implies that there can be no refracted ... direction , as in Fig . 6. However , when passing through a slab with nonparallel faces , as in a prism , or with ...
... direction different from that of the entering light . this is impossible , it implies that there can be no refracted ... direction , as in Fig . 6. However , when passing through a slab with nonparallel faces , as in a prism , or with ...
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20th century academic libraries acid Africa American Argentina army became began Bibliography Bolivia born brary Brazil British cataloging cells central Chile church collections College Colombia colonial common countries court cultural D. H. Lawrence died early economic elected established Europe European example federal footcandles force France French German important industrial known land later Latin America Latvia Lawrence lead learning leather Lebanon legislative legumes Leibniz lens Lesotho Lewis liability liberal Liberia librarians Libya lichens light lime major materials ment meters Mexico miles military modern national library North organization Paris party person Peru plants political population produced programs public libraries region River Roman served social South Spanish special libraries surface thallus theory tion United Univ University Uruguay Venezuela World World War II