Uy » Online olimpiada » Fizika olimpiada » 9-sinf Fizika olimpiada №5 Fizika olimpiada 9-sinf Fizika olimpiada №5 InfoMaster Yanvar 9, 2023 1522 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 0 14 Savollar 12345678910111213141516171819202122232425 Tomonidan yaratilgan InfoMaster 9-sinf Fizika olimpiada №5 03.01.2023 yil oo.uzedu.uz Online olimpiada savollari! 1 / 25 Chizmada ko’rsatilgan sxemaning K va L nuqtalar orasidagi umumiy sig’im necha μF ekanligini toping. A) 8 B) 4 C) 6 D) 4.8 2 / 25 Avtomobil tekis tezlanuvchan harakatni boshlab tezligi 70 km/soatga yetganida u manzilgacha bo’lgan yo’lning 1/3 qismini bosib o’tdi. Qolgan yo’lning birinchi yarmida shu tezlik bilan, ikkinchi yarmida esa 60 km/soat tezlik bilan tekis harakatlandi. Avtomobil 2,5 soat harakatlangan bo’lsa, uning butun harakati davomidagi o’rtacha tezligini toping (km/soat) A) 50.4 B) 60 C) 65.5 D) 45.4 3 / 25 Bir hil kuchlanishga mo’ljallangan 50 W, 100 W va 150 W nominal quvvatli lampalar mavjud. Qaysi lampaning qarshiligi eng kichik? A) Barchasiniki bir hil B) 50 C) 150 D) 100 4 / 25 Sportchi uzunligi 250 m bo’lgan stadion bo’ylab 8 marta to’liq yugurib o’tdi. Uning o’tgan yo’lini (km) toping. A) 2000 B) 2 C) 250 D) 0 5 / 25 Elektrolizda buyumni nikellash t vaqt davom etib, buyum m massasi nikel bilan qoplandi. Elektroliz vaqtidagi tokning qiymatini toping. k – nikelning elektrokimyoviy ekvivalenti. A) mk/t B) m/kt C) mt/k D) mkt 6 / 25 A) D B) A C) C D) B 7 / 25 A) D B) A C) B D) C 8 / 25 A) B B) D C) A D) C 9 / 25 A) D B) B C) A D) C 10 / 25 A) D B) A C) B D) C 11 / 25 A) A B) C C) D D) B 12 / 25 A) C B) A C) D D) B 13 / 25 A) D B) A C) C D) B 14 / 25 A) B B) C C) A D) D 15 / 25 A) A B) B C) D D) C 16 / 25 A) A B) B C) D D) C 17 / 25 A) A B) D C) C D) B 18 / 25 A) D B) C C) B D) A 19 / 25 A) C B) D C) A D) B 20 / 25 A) B B) A C) D D) C 21 / 25 A) D B) A C) B D) C 22 / 25 A) D B) B C) A D) C 23 / 25 A) D B) B C) C D) A 24 / 25 A) C B) A C) B D) D 25 / 25 A) A B) C C) B D) D 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
Istaklar ro'yxatiga qo'shildiIstaklar ro'yxatidan olib tashlandi 4 9-10-11 sinflar Fizika olimpiada №6
