9-sinf Fizika 2-chorak May 21, 2021May 21, 2021 da chop etilgan InfoMaster tomonidan 9-sinf Fizika 2-chorak ga fikr bildirilmagan. 45 9-sinf Fizika 2-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 Gazning o’zgarmas hajmida sodir bo'ladigan bir holatdan boshqa holatga o'tish jarayoni ……. jarayon deyiladi A) izotermik B) izoxorik C) adibatik D) izobarik 2 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) = F/S B) δ (sigma) = F/l C) δ(sigma) = Q/L D) δ(sigma) =Q/m 3 / 25 Izotermik jarayon uchun termodinamikaning 1-qonuni A) Q= ΔU+A B) Q=A C) ΔU=-A D) Q= ΔU 4 / 25 Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating A) ν (nyu) = Nm / M B) ν (nyu) = m / M C) ν (nyu) = 1 / T D) ν (nyu) = N / Na 5 / 25 Termodinamikaning 1-qonuni formulasi A) Q=cm Δt B) Q= l m C) Q=L m D) Q=A+ΔU 6 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni A) Avogadro B) Sharl C) Boyl-Mariott D) Gey – Lyussak 7 / 25 Izoxorik jarayon uchun termodinamikaning 1-qonuni A) Q=A B) ΔU=-A C) Q= ΔU+A D) Q= ΔU 8 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) tempratura muvozanati B) issiqlik balansi C) issiqlik muvozanati D) gaz xolat tenglamasi 9 / 25 100 K Selsiy shkalasida nimaga teng A) - 373 gradus S B) -173 gradus S C) 100 gradus S D) 373 gradus S 10 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) 123 K B) -423 K C) 423 K D) -123 K 11 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 2 marta kamayadi B) 2 marta ortadi C) 4 marta kamayadi D) 4 marta ortadi 12 / 25 P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping A) V₂ = T₁ T₂ V₁ / P₁ P₂ B) V₂ = T₁ P₂ / P₁ V₁ T₂ C) V₂ = P₁ V₁ T ₂ / T₁ P₂ D) V₂ = R₁ P₂ V₁/ T₁ T₂ 13 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) izobarik B) izaxorik C) izotermik D) adibatik 14 / 25 1 m³ suvda necha molekula bor? A) 5 * 10²⁵ B) 3,3 * 10²⁸ C) 10⁵ D) 6 * 10²³ 15 / 25 Dinamika so‘zining ma’nosi nima A) bo‘lak, parcha B) mashina C) harakat D) kuch 16 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) J.Maksvel B) O.Shtern C) L.Bolsman D) Avogadro 17 / 25 Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan A) Qaynash B) Bug'lanish C) Diffuziya D) Bug'lanish va Qaynash 18 / 25 O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi A) Cheksiz yoyiladi B) Cheksiz yoyilmaydi C) Moy qatlamining qalinligiga bog'liq D) Moy qatlami qalinligi eng kichik zarraning kundalang kesimiga tenglashguncha yoyiladi 19 / 25 Gapni davom ettiring. Moddaning 1 moliga to’g’ri kelgan massani kg (gr)larda ifodalangan qiymatiga ….deyiladi A) modda B) moda miqdori C) molar massasi D) nisbiy molekulalar massa 20 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.? A) Gey – Lyussak B) Sharl’ C) Avogadro D) Boyl-Mariott 21 / 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 22 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = V / S B) D = 2 – R C) D = m / V D) D = C / π 23 / 25 Universal gaz doimiysining qiymati va o'lchov birligini ko'rsating A) K=1,38 J/K B) P=3,14 C) R=8,31*10³ J/mol K D) R=8,31 J/mol K 24 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 2 marta kamayadi B) 2 marta ortadi C) 4 marta kamayadi D) 4 marta ortadi 25 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) pV=RT B) p=2/3 nEk C) pV=T/=const D) pV=m/MRT 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 Fizika choraklik