Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 3-chorak Fizika choraklik 9-sinf Fizika 3-chorak InfoMaster May 21, 2021 952 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 5 0 Tomonidan yaratilgan InfoMaster 9-sinf Fizika 3-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 Ideal gaz haroratining 2marta ko’tarilishi hajm birligidagi molekulalar sonining 2marta kamayishiga olib kelagan bo’lsa, uning bosimi qanday o’zgaradi A) 5marta kamayadi B) 4marta ortadi C) O’zgarmaydi D) 2marta kamayadi 2 / 25 Ochiq idishdagi 200C tempraturali gazning zichligini 2marta kamaytirish uchun, uning tempraturasini qanchaga orttirish kerak A) 260°C B) 190°C C) 203°C D) 293°C 3 / 25 Dinamika so‘zining ma’nosi nima A) harakat B) bo‘lak, parcha C) mashina D) kuch 4 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) PV = mRT/M B) P₁/T₁= P₂/T₂ C) P₁V₁=P₂V₂ D) P₂V₁/T₁= P₂V₂/T₂ 5 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) pV=RT B) pV=m/MRT C) pV=T/=const D) p=2/3 nEk 6 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 2 marta ortadi B) 4 marta ortadi C) 4 marta kamayadi D) 2 marta kamayadi 7 / 25 Metallarni payvandlab ulash qaysi hodisaga asoslangan? A) Diffuziya B) Broun harakati C) Molekulalarning atomlardan tashkil topishi D) Molekulalar orasidagi tortitish kuchi 8 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) ideal gaz B) issiqlik muvozanati C) tempratura D) to’yingan bug’ 9 / 25 1/F=(n-1)(1/R1+1/R2) formulada n nimani bildiradi? A) Sfera radiuslari nisbati B) Linzaning absolyut nur sindirish ko’rsatkichi C) Linzaning suvga nisbatan nur sindirish ko’rsatkichi D) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi 10 / 25 Bu nuqsonda ko’z gavhari tasvirni to’r pardada emas, balki uning old qismida hosil qiladi. Bunday odamlar qanday linzadan yasalgan ko’zoynak taqadi? A) Ranglarni ajratmaslik, botiq B) Uzoqdan ko’rarlik, qavariq C) Yaqindan ko’rarlik, botiq D) Daltonizm, qavariq 11 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Lupa B) Fotoapparat C) Proyeksion apparat D) Fotoapparat va ko’z 12 / 25 Muhit nur sindirish ko’rsatkichining yorug’lik to’lqin uzunligiga bog’liq bo’lishiga yorug’lik ... deyiladi? A) Difraksiya B) Interferensiya C) Sinish D) Dispersiya 13 / 25 D = 1 / L0 - 1 / d1 formula yordamida nima aniqlanadi? L0- sog’ ko'zning yaxshi ko'rish masofasi, d1- nuqsonli ko’zning yaxshi ko’rish masofasi A) Linzaning fokus masofasini B) Linzaning optik kuchini C) Nuqsonni ko’z uchun ko’zoynak optik kuchini D) Ko’zning eng yaxshi ko’rish masofasini 14 / 25 Buyum yig’uvchi linzadan d > 2F masofada joylashsa, uning tasviri qanday bo’ladi? F- linzaning fokus masofasi A) Kichiklashgan, teskari, haqiqiy B) Kattalashgan, to’g’ri, mavhum C) Kattalashgan, teskari, mavhum D) Kichiklashgan, to’g’ri, mavhum 15 / 25 Nur havodan suvga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Ha B) Nurning tushish burchagiga bog’liq C) Yo’q D) Suv qatlamining qalinligiga bog’liq 16 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) = Q/L B) δ (sigma) = F/l C) δ(sigma) = F/S D) δ(sigma) =Q/m 17 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) gaz xolat tenglamasi B) issiqlik muvozanati C) tempratura muvozanati D) issiqlik balansi 18 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 4 marta kamayadi B) 4 marta ortadi C) 2 marta kamayadi D) 2 marta ortadi 19 / 25 Izotermik jarayon uchun termodinamikaning 1-qonuni A) ΔU=-A B) Q= ΔU+A C) Q= ΔU D) Q=A 20 / 25 P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping A) V₂ = R₁ P₂ V₁/ T₁ T₂ B) V₂ = T₁ P₂ / P₁ V₁ T₂ C) V₂ = P₁ V₁ T ₂ / T₁ P₂ D) V₂ = T₁ T₂ V₁ / P₁ P₂ 21 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni A) Gey – Lyussak B) Avogadro C) Boyl-Mariott D) Sharl 22 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Broun B) Shtern C) Avogadro D) Maksvell 23 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning qaynash temperaturasi B) Suvning kritik temperaturasi C) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura D) Suvning qotish temperaturasi 24 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) -123 K B) 423 K C) 123 K D) -423 K 25 / 25 Selsiy shkalasidagi t temperatura Kelvin shkalasidagi tempratura bilan bog’lanish formulasi …. ? A) T = t- 273 B) T = 273 - t C) T = - t - 273 D) T = t + 273 0% Testni qayta ishga tushiring Baholash mezoni 86%-100% 5 baho 71%-85% 4 baho 56%-70% 3 baho 55% va kamiga 2 baho Fikr-mulohaza yuboring Author: InfoMaster Foydali bo'lsa mamnunmiz