Sakamakon wannan tsari don gudun haske. Ƙimar da kuma ra'ayi

Tun lokacin lokacin makarantar, mun sani cewa gudun haske, bisa ga dokokin Einstein, ƙima ce a cikin sararin samaniya. Nisa daga Sun zuwa Duniya yana da minti 8, wanda shine kusan kilomita 150 000 000. Neptune ba zai kai har zuwa sa'o'i 6 ba, amma motocin sararin samaniya suna daukar shekarun da yawa don shawo kan wannan nisa. Amma ba kowa ba san cewa darajan gudun zai iya bambanta sosai dangane da yanayin da haske ya wuce.

Formula don gudun haske

Sanin gudun haske a vacuo (c ≈ 3 × 10 ⁸ m \ c), wanda zai iya sanin ko yana a cikin wasu kafofin watsa labarai, bisa laákari da index of refraction n. Mahimman tsari na gudun haske yana kama da dokokin masanan daga fannin kimiyyar lissafi, ko kuma, ma'anar nisa ta yin amfani da lokaci da gudunmawar abu.

Alal misali, mu ɗauki gilashi tare da haɗin gwaninta na 1.5. Yin amfani da hanzarin haske da aka ba v = c \ n, zamu ga cewa gudun a cikin wani matsakaici yana kimanin kilomita 200,000 / s. Idan muka ɗauki ruwa, irin su ruwa, to, yaduwar sauri na photons (ƙirar haske) a ciki shi ne 226,000 km / s tare da haɗin gwanin 1.33.

Formula don gudun haske a cikin iska

Har ila yau iska tana da yanayi. Sakamakon haka, yana da wani abu mai mahimmanci. Idan photons ba su fuskanci matsaloli a cikin hanyarsu a cikin wani wuri ba, to, a cikin matsakaici suna ciyar da lokaci a kan motsawar kwayoyin atomatik. Mafi yawan yanayi, mafi yawan lokacin da ake buƙatar wannan tashin hankali. Shafin nuni (n) a cikin iska shine 1,000,292. Kuma wannan baya raguwa daga iyakar 299,792,458 m / s.

Masana kimiyya na Amirka sun yi nasarar rage gudu daga haske zuwa kusan zero. Fiye da 1/299 792 458 seconds Hasken sauri ba zai iya rinjayar ba. Abinda shine shine hasken shine nau'i nau'i na electromagnetic kamar rawanin X, raƙuman radiyo ko zafi. Bambanci shine kawai cikin bambanci tsakanin tsayin da mita.

Gaskiya mai ban sha'awa shi ne rashin taro na photon, wannan yana nuna rashin lokaci ga wani ƙwararren da aka baiwa. Don sanya shi kawai, don photon da aka haife da dama miliyan, ko ma biliyoyin shekaru da suka wuce, ba na biyu wuce.