Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 3-chorak Fizika choraklik 9-sinf Fizika 3-chorak InfoMaster May 21, 2021 801 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 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Broun B) Avogadro C) Maksvell D) Shtern 2 / 25 100 K Selsiy shkalasida nimaga teng A) - 373 gradus S B) -173 gradus S C) 373 gradus S D) 100 gradus S 3 / 25 1 m³ suvda necha molekula bor? A) 3,3 * 10²⁸ B) 5 * 10²⁵ C) 6 * 10²³ D) 10⁵ 4 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning qotish temperaturasi B) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura C) Suvning kritik temperaturasi D) Suvning qaynash temperaturasi 5 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10³⁴ 1/ mol B) Avogadro 6*10²⁴ 1/ mol C) Avogadro 6*10²⁶ 1/ mol D) Avogadro 6*10²³ 1/ mol 6 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) =Q/m B) δ(sigma) = F/S C) δ(sigma) = Q/L D) δ (sigma) = F/l 7 / 25 Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating A) ν (nyu) = m / M B) ν (nyu) = Nm / M C) ν (nyu) = 1 / T D) ν (nyu) = N / Na 8 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = m / V B) D = V / S C) D = C / π D) D = 2 – R 9 / 25 Fotoapparatda tasvir hosil bo’ladigan tekislik va ob’ektiv orasidagi masofa l qancha bo’lishi mumkin? F – ob’ektiv fokus masofasi A) l>2F B) l- F C) l- f D) l=F 10 / 25 1/F=(n-1)(1/R1+1/R2) formulada n nimani bildiradi? A) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi B) Linzaning suvga nisbatan nur sindirish ko’rsatkichi C) Linzaning absolyut nur sindirish ko’rsatkichi D) Sfera radiuslari nisbati 11 / 25 Elektromagnit to'lqinlar spektri ko’rinadigan qismining to’lqin uzunligi diapazonini ko’rsating (mikrometr) A) Lyambda > 0,75 B) Lyambda < 0,4 C) Lyambda 0,4 - 0,75 D) Lyambda 0-10 12 / 25 Muhit nur sindirish ko’rsatkichining yorug’lik to’lqin uzunligiga bog’liq bo’lishiga yorug’lik ... deyiladi? A) Difraksiya B) Interferensiya C) Dispersiya D) Sinish 13 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, F2F munosabat aytilgan optik asboblarning qaysiciga to’gri keladi? A) Fotoapparat va ko’z B) Proyeksion apparat C) Lupa D) Fotoapparat 14 / 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) Daltonizm, qavariq D) Yaqindan ko’rarlik, botiq 15 / 25 Buyum yig’uvchi linzadan d > 2F masofada joylashsa, uning tasviri qanday bo’ladi? F- linzaning fokus masofasi A) Kichiklashgan, teskari, haqiqiy B) Kattalashgan, teskari, mavhum C) Kichiklashgan, to’g’ri, mavhum D) Kattalashgan, to’g’ri, mavhum 16 / 25 Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi? A) p/T=const B) pV=const C) v=m/M D) pT=const 17 / 25 Ideal gaz haroratining 2marta ko’tarilishi hajm birligidagi molekulalar sonining 2marta kamayishiga olib kelagan bo’lsa, uning bosimi qanday o’zgaradi A) O’zgarmaydi B) 5marta kamayadi C) 2marta kamayadi D) 4marta ortadi 18 / 25 Diffuziya tezligi nimaga bog’liq A) modda miqdoriga B) Modda tempraturasiga C) tashqi bosimga D) modda zichligiga 19 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) pV=m/MRT B) p=2/3 nEk C) pV=RT D) pV=T/=const 20 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) Avogadro B) O.Shtern C) L.Bolsman D) J.Maksvel 21 / 25 Dinamika so‘zining ma’nosi nima A) kuch B) harakat C) mashina D) bo‘lak, parcha 22 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.? A) Avogadro B) Gey – Lyussak C) Sharl’ D) Boyl-Mariott 23 / 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 ortadi D) 2 marta kamayadi 24 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) P₁V₁=P₂V₂ B) P₁/T₁= P₂/T₂ C) P₂V₁/T₁= P₂V₂/T₂ D) PV = mRT/M 25 / 25 Universal gaz doimiysining qiymati va o'lchov birligini ko'rsating A) R=8,31*10³ J/mol K B) K=1,38 J/K C) R=8,31 J/mol K D) P=3,14 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