9-sinf Fizika olimpiada №5 Yanvar 9, 2023Yanvar 9, 2023 da chop etilgan InfoMaster tomonidan 9-sinf Fizika olimpiada №5 ga 2 fikr bildirilgan 14 12345678910111213141516171819202122232425 Tomonidan yaratilgan InfoMaster 9-sinf Fizika olimpiada №5 03.01.2023 yil oo.uzedu.uz Online olimpiada savollari! 1 / 25 Metall sharcha +3? zaryadga ega, shu sharchaga tekkazish yo’li bilan qanday zaryad berilganida, u elektroneytral bo’lib qoladi. A) -6e B) +3? C) -3e D) 0 2 / 25 Jismning mexanik harakatini o’rganishda koordinatalar sistemasi nima maqsadda beriladi? A) Jismni harakatda yoki karakatsiz ekanligini aniqlashmaqsadida. B) Jismning boshlang’ich koordinatalarini aniqlash maqsadida. C) jismni boshqa jismlarga nisbatan tinch yoki harakatda ekanligini aniqlash maqsadida. D) Jismning fazodagi vaziyatini vaqt o’tishi bilan qanday o’zgarishini aniqlash maqsadida. 3 / 25 Jism 80 m balandlikdan erkin tushmoqda. Harakatning oxirgi sekundida qanday masofa (m) o’tadi? ? = 10 ?/?² A) 45 B) 35 C) 40 D) 50 4 / 25 Elektrolizda buyumni nikellash t vaqt davom etib, buyum m massasi nikel bilan qoplandi. Elektroliz vaqtidagi tokning qiymatini toping. k – nikelning elektrokimyoviy ekvivalenti. A) m/kt B) mt/k C) mk/t D) mkt 5 / 25 Faradey doimiysi qaysi javobda to’g’ri ko’rsatilgan? A) 96500 kg/mol B) 96500 J/mol C) 96500 A/mol D) 96500 C/mol 6 / 25 A) B B) C C) A D) D 7 / 25 A) D B) C C) B D) A 8 / 25 A) B B) D C) C D) A 9 / 25 A) B B) A C) D D) C 10 / 25 A) D B) C C) B D) A 11 / 25 A) B B) C C) A D) D 12 / 25 A) D B) B C) A D) C 13 / 25 A) C B) B C) D D) A 14 / 25 A) C B) A C) D D) B 15 / 25 A) B B) C C) A D) D 16 / 25 A) A B) D C) B D) C 17 / 25 A) D B) C C) A D) B 18 / 25 A) A B) C C) D D) B 19 / 25 A) C B) D C) A D) B 20 / 25 A) B B) A C) C D) D 21 / 25 A) B B) C C) D D) A 22 / 25 A) C B) A C) D D) B 23 / 25 A) C B) B C) A D) D 24 / 25 A) D B) C C) B D) A 25 / 25 A) B B) D C) A D) C 0% Testni qayta ishga tushiring tomonidan Wordpress Quiz plugin Fizika olimpiada
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