Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 2-chorak Fizika choraklik 9-sinf Fizika 2-chorak InfoMaster May 21, 2021 1236 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 4 0 Tomonidan yaratilgan InfoMaster 9-sinf Fizika 2-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) = F/S B) δ(sigma) =Q/m C) δ(sigma) = Q/L D) δ (sigma) = F/l 2 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) adibatik B) izotermik C) izaxorik D) izobarik 3 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) issiqlik balansi B) tempratura muvozanati C) issiqlik muvozanati D) gaz xolat tenglamasi 4 / 25 100 K Selsiy shkalasida nimaga teng A) 100 gradus S B) 373 gradus S C) -173 gradus S D) - 373 gradus S 5 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = 2 – R B) D = C / π C) D = V / S D) D = m / V 6 / 25 Selsiy shkalasidagi t temperatura Kelvin shkalasidagi tempratura bilan bog’lanish formulasi …. ? A) T = t + 273 B) T = t- 273 C) T = 273 - t D) T = - t - 273 7 / 25 P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping A) V₂ = P₁ V₁ T ₂ / T₁ P₂ B) V₂ = R₁ P₂ V₁/ T₁ T₂ C) V₂ = T₁ P₂ / P₁ V₁ T₂ D) V₂ = T₁ T₂ V₁ / P₁ P₂ 8 / 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 9 / 25 Izotermik jarayon uchun termodinamikaning 1-qonuni A) Q=A B) Q= ΔU+A C) ΔU=-A D) Q= ΔU 10 / 25 Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating A) ν (nyu) = Nm / M B) ν (nyu) = 1 / T C) ν (nyu) = m / M D) ν (nyu) = N / Na 11 / 25 Termodinamikaning 1-qonuni formulasi A) Q=cm Δt B) Q=A+ΔU C) Q=L m D) Q= l m 12 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning kritik temperaturasi B) Suvning qaynash temperaturasi C) Suvning qotish temperaturasi D) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura 13 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Maksvell B) Avogadro C) Shtern D) Broun 14 / 25 1 m³ suvda necha molekula bor? A) 6 * 10²³ B) 10⁵ C) 5 * 10²⁵ D) 3,3 * 10²⁸ 15 / 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 16 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) J.Maksvel B) O.Shtern C) Avogadro D) L.Bolsman 17 / 25 Odam va hayvonlar ichagidan oziqlantiruvchi moddalar qonunga qaysi fizik hodisa tufayli o’tadi A) Broun xarakati B) Broun xarakati C) Erish D) Diffuziya 18 / 25 Ochiq idishdagi 200C tempraturali gazning zichligini 2marta kamaytirish uchun, uning tempraturasini qanchaga orttirish kerak A) 260°C B) 190°C C) 293°C D) 203°C 19 / 25 Diffuziya tezligi nimaga bog’liq A) tashqi bosimga B) modda zichligiga C) Modda tempraturasiga D) modda miqdoriga 20 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) gaz xolat tenglamasi B) issiqlik muvozanati C) tempratura muvozanati D) issiqlik balansi 21 / 25 Dinamika so‘zining ma’nosi nima A) mashina B) bo‘lak, parcha C) harakat D) kuch 22 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Maksvell B) Avogadro C) Broun D) Shtern 23 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.? A) Avogadro B) Boyl-Mariott C) Gey – Lyussak D) Sharl’ 24 / 25 Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan A) Qaynash B) Diffuziya C) Bug'lanish va Qaynash D) Bug'lanish 25 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) p=2/3 nEk B) pV=m/MRT C) pV=T/=const D) pV=RT 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