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Використовуючи формулу Планка
обчислити сталу Стефана-Больцмана (у Вт/(м2·К4)).
А)4,67·10-8; Б) 5,67·10-8; В) 6,67·10-8; Г)7,67·10-8; Д) 8,67·10-8.
4,67·10
;
7,67·10
А
Д
Г
В
Б
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