Tinowana sei muraraungu?
Rondedzero yemagetsi emagetsi inoumbwa nechiedza chine urefu hwemasaisai hwakasiyana-siyana hunoumbwa nebhande remavara anosanganisira tsvuku, orenji, yero, girini, bhuruu, indigo uye violet. Chiedza chena ndicho chinoita kuti maziso edu aone mavara ose emuraraungu akasanganiswa pamwe chete. Chiedza chezuva chinoratidzika sechena. Apo chiedza chezuva chinorova donhwe remvura, chiedza chimwe chinoratidzwa. Anoratidzwa pamakona akasiyana-siyana anoparadzanisa ruvara rwacho uye anogadzira muraraungu.