Shu yo’dagi tezligini (m/s) toping ?
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1-sinov testi ( fizika)
1.Avtomobil to’g’ri chiziqli tekis harakat qilmoqda. U 3 soat ichida 216 km masofani bosib o’tdi . Uning shu yo’dagi tezligini (m/s) toping ? A) 30 m/s B) 25 m/s C) 20 m/s D) 15 m/s 2. Jism yuqoriga 30 m/s tezlik bilan otildi. Uning maksimal ko’tarilish balandligi (m) topilsin ? g=10 m/𝑠 2 . A) 45 m B) 90 m C) 30 m D) 50 m 3. Jism aylana bo’ylab tekis harakar qilmoqda. Jismning aylanish davri 4𝜋 sekund. Agar aylana radiusi 10 metr bo’lsa jismning chiziqli tezligi (m/s) topilsin? A) 10 m/s B) 15 m/s C) 7 m/s D) 5 m/s 4. Berilganlardan qaysilari harakat turlari ? 1) Ilgarilanma 2) Aylanma 3) tebranma A) 1 va 3 B) 2 va 3 C) 1 va 2 D) hammasi 5.Gorizontal tekislikda dumalab ketayotgan g’ildirakning massasi 9 kg uning natijaviy tezlanishi 3 m/𝑠
2 unga ta’sir qiluvchi natijaviy kuch (N) topilsin ? A) 3 N B) 5 N C) 21 N D)15 N 6. Bir mol moddadagi molekulalar sonini toping ? A) 6٠10 23 ta B) 6٠10 20 ta
C) 6٠10 −23
ta D) 6٠10 −20
ta 7. O’tkazgichning ko’ndalang kesimidan 16 sekundda 256 kulon zaryad miqdori oqib o’tgan bo’lsa, o’tkazgichdagi tok kuchi (A) topilsin ? A) 16 A B) 256 A C) 8 A D) 32 A 8. 300 gramm massali koptok 10 m/s tezlik bilan otildi. Uning otilish niqtasidagi kinetik energiyasini ( J) toping ? A) 10 J B) 15 J C) 20 J D ) 30 J 9. Sxemadagi har bir kondensatorning sig’imi C ga teng .Sxemaning umumiy sig’imini toping?
A) C B) 2C C) 3C D) 𝐶 3
10.Yorug’likning vakuumdagi tezligi (m/s) qanchaga teng ? A) 3٠10 8 m/s B) 2٠10 8 m/s
C) 4٠10 8 m/s D) 10 8 m/s
11.To’g’ri burchakli uchburchak katetlari uzunliklari 12 va 16 sm bo’lsa uning gipotenuzasi uzunligi (sm) topilsin ? A) 15 sm B) 20 sm C) 25 sm D) 30 sm 12. A ( 5 ; 5 ) va B ( 9 ; 8 ) nuqtalar orasidagi masofani toping ? A) 1 B) 3 C) 5 D) 10 13. To’g’ri burchakli uchburchak katetlari uzunliklari 3 va 4 ga teng bo’lsa, uning kichik kateti va gipotenuzasi orasidagi burcha kosinisini toping ? A) 0.8 B) 0.6 C) 1 D) 0.5 14. Uchburchakning tomonlari 2 , 3 va 4 sm ga teng. Uning perimetrini toping ? A) 7 sm B) 6 sm C) 8 sm D) 9 sm 15. Hisoblang ? 2 ٠ (
1 13 + 36 39 ) – ( 21 – 600 30
) A) 3 B) 2 C) 1 D) 0,5
Muallif: Biloliddinov Muhriddin
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