Nei denga riri rebhuruu?
Mhepo yakapoteredza pasi inoparadzira chiedza chine wavelength pfupi zvinobudirira kupfuura chiedza chine wavelength refu. Nemhaka yokuti mafungu aro mapfupi, chiedza chebhuruu chinoparadzirwa zvikuru kupfuura chiedza chine mafungu marefu, matsvuku kana kuti egirini. Nokudaro, mugumisiro ndewokuti kana munhu akatarira mudenga pasina chiedza chezuva, ziso romunhu rinoona denga seriri rebhuruu.