Gịnị bụ prism na-agbasasị?
Context:Na optics, a dispersive prism bụ optical prism na-eji na-agbasa ìhè, ya bụ, ikewapụ ìhè n'ime ya spectral mmiri (na agba nke egwurugwu). A ga-eji prism ahụ tụgharịa ogologo ebili mmiri (agba) dị iche iche nke ìhè n'akụkụ dị iche iche. Nke a bụ nsonaazụ nke ihe eji eme ihe nke prism nke na-agbanwe agbanwe na ogologo ebili mmiri (mgbasa). N'ozuzu, ogologo ebili mmiri (acha uhie uhie) na-enwe obere mgbanwe karịa obere ebili mmiri (acha anụnụ anụnụ). Mgbasa nke ìhè ọcha n'ime agba site na prism mere ka Sir Isaac Newton kwubie na ìhè ọcha bụ ngwakọta nke agba dị iche iche.
Prism nke na-agbasasị bụ prism anya nke na-agbasasị ogologo ebili mmiri dị iche iche nke ìhè n'akụkụ dị iche iche. Mgbe e mere ka ìhè na-acha ọcha na-enwu site na prism na-agbasasị, ọ ga-ekewa n'ime agba dị iche iche nke egwurugwu.