Uy » Online olimpiada » Fizika olimpiada » 9-sinf Fizika olimpiada №5 Fizika olimpiada 9-sinf Fizika olimpiada №5 InfoMaster Yanvar 9, 2023 1112 Ko'rishlar 1 izoh SaqlashSaqlanganOlib tashlandi 0 1 12345678910111213141516171819202122232425 9-sinf Fizika olimpiada №5 03.01.2023 yil oo.uzedu.uz Online olimpiada savollari! 1 / 25 Elektr maydon kuchlanganligi 600 kV/m bo’lgan bir jinsli maydonga kiritilgan +2nC nuqtaviy zaryadga maydon tomonidan ta’sir etuvchi kuchning qiymati necha mN ga teng? A) 1,2 B) 1200 C) 12 D) 120 2 / 25 Massasi 10 kg bo’lgan taxta uzunligining ¼ qismiga teng masofada tayansh tirab qo’yilgan. Taxtani muvozanatda tutib turish uchun uning kalta uchiga taxtaga perpendikulyar bo’lgan qanday kuch qo’yish lozim (N)? A) 50 B) 300 C) 200 D) 100 3 / 25 Induksiyasi 200 mT bo’lgan magnit maydon chiziqlariga tik joylashgan 35 sm uzunlikdagi o’tkazgichga maydon tomonidan tas’sir etuvchi kuch140 mN ga teng bo’lsa, o’tkazgichdan qanday tok o’tmoqda? A) 1 A B) 0.5 A C) 2 A D) 1.5 A 4 / 25 Chizmada ko’rsatilgan K va L massalari nisbati ??/?K= 3 va balandliklarining nisbati ℎ?/ℎK= 2 bo’lsa, u olda bu jismlarning potensial energiyalarining (??/?K) nisbatini toping A) 12 B) 14 C) 21 D) 16 5 / 25 Chizmadan foydalanib bir jinsli richagning og’irligini (N) toping. P = 40 N A) 120 B) 40 C) 80 D) 20 6 / 25 A) D B) B C) A D) C 7 / 25 A) D B) A C) B D) C 8 / 25 A) D B) B C) A D) C 9 / 25 A) A B) D C) B D) C 10 / 25 A) C B) A C) B D) D 11 / 25 A) B B) C C) D D) A 12 / 25 A) A B) D C) C D) B 13 / 25 A) A B) B C) C D) D 14 / 25 A) A B) B C) C D) D 15 / 25 A) A B) B C) C D) D 16 / 25 A) A B) C C) D D) B 17 / 25 A) A B) C C) B D) D 18 / 25 A) A B) C C) D D) B 19 / 25 A) C B) D C) A D) B 20 / 25 A) C B) A C) D D) B 21 / 25 A) A B) C C) D D) B 22 / 25 A) C B) A C) B D) D 23 / 25 A) C B) D C) A D) B 24 / 25 A) C B) B C) D D) A 25 / 25 A) D B) C C) A D) B 0% Testni qayta ishga tushiring Author: InfoMaster Foydali bo'lsa mamnunmiz
