yorug‘likning shishadagi tezligi

spam va gowtli konserva ortasida boglik bormi? f i z i k a mavzu: masalalar yechish 6- sinf 1-topshiriq optik kuchi 5 dptr bo‘lgan linzaning fokus masofasini toping. 1-topshiriq berilgan: d = 5 dptr topish kerak: f = ? formula: yechish: f = f = javob: f = 0,2 m = 20 cm 2-topshiriq yorug‘likning shishadagi tezligi 200 000 km/s ga teng. shishaning absolyut sindirish ko‘rsatkichini aniqlang. 2-topshiriq berilgan: = 200 000 km/s c = 300 000 km/s topish kerak: n = ? formula: n = yechish: n = = = 1,5 javob: n = 1,5 3-topshiriq buyum botiq ko‘zgudan 15 cm masofada turibdi. ko‘zguning fokus masofasi 10 cm. ko‘zgudan tasvirgacha bo‘lgan masofani toping. 3-topshiriq berilgan: d = 15 cm …

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