9-sinf Fizika 2-chorak May 21, 2021May 21, 2021 da chop etilgan InfoMaster tomonidan 9-sinf Fizika 2-chorak ga fikr bildirilmagan. 50 9-sinf Fizika 2-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = V / S B) D = C / π C) D = m / V D) D = 2 – R 2 / 25 Izotermik jarayon uchun termodinamikaning 1-qonuni A) Q= ΔU+A B) Q= ΔU C) ΔU=-A D) Q=A 3 / 25 Molekulalar kinetik nazariyaning asosiy qoidalari qaysi javobda to’liq bayon qilinngan A) Modda elementlar zarralardan tuziladi va ular bir-biriga to’xtovsiz aylanib turadi B) Moddalar mayda zarralar- molekulalar va atomlardan tashkil topgan, ular tartibsiz va to’xtovsiz harakatda, atom va molekulalar bir-birlari bilan o’zaro ta’sirda, moddalarning xossalari shu molekulalar harakati va o’zaro ta’siri biolan belgilanadi C) Modda mayday bo’laklardan tuziladi va ular fazoni uzluksiz to’ldiradi D) Modda m ayday zarralardan tashkil topgan va ular orasida o’zaro ta’sir kuchlari mavjud 4 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) issiqlik muvozanati B) to’yingan bug’ C) ideal gaz D) tempratura 5 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) J.Maksvel B) L.Bolsman C) Avogadro D) O.Shtern 6 / 25 1 m ³ suvda necha molekula bor? A) 10⁵ B) 5 * 10²⁵ C) 3,3 * 10²⁸ D) 6 * 10²³ 7 / 25 1 m³ suvda necha molekula bor? A) 5 * 10²⁵ B) 3,3 * 10²⁸ C) 10⁵ D) 6 * 10²³ 8 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) tempratura muvozanati B) issiqlik balansi C) gaz xolat tenglamasi D) issiqlik muvozanati 9 / 25 Havodagi suv bug’larining to'yingan holda o'tadigan tempraturasi …………. deyiladi A) qaynash tempraturasi B) bug’lanish tempraturasi C) absolyut tempraturasi D) shudring tempraturasi 10 / 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 11 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Shtern B) Broun C) Avogadro D) Maksvell 12 / 25 Termodinamikaning 1-qonuni formulasi A) Q= l m B) Q=A+ΔU C) Q=L m D) Q=cm Δt 13 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) izobarik B) izotermik C) adibatik D) izaxorik 14 / 25 Metallarni payvandlab ulash qaysi hodisaga asoslangan? A) Broun harakati B) Diffuziya C) Molekulalar orasidagi tortitish kuchi D) Molekulalarning atomlardan tashkil topishi 15 / 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 16 / 25 100 K Selsiy shkalasida nimaga teng A) 100 gradus S B) -173 gradus S C) - 373 gradus S D) 373 gradus S 17 / 25 P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping A) V₂ = P₁ V₁ T ₂ / T₁ P₂ B) V₂ = T₁ P₂ / P₁ V₁ T₂ C) V₂ = R₁ P₂ V₁/ T₁ T₂ D) V₂ = T₁ T₂ V₁ / P₁ P₂ 18 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) P₁V₁=P₂V₂ B) P₂V₁/T₁= P₂V₂/T₂ C) P₁/T₁= P₂/T₂ D) PV = mRT/M 19 / 25 Gazning o’zgarmas hajmida sodir bo'ladigan bir holatdan boshqa holatga o'tish jarayoni ……. jarayon deyiladi A) izoxorik B) izotermik C) izobarik D) adibatik 20 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.? A) Boyl-Mariott B) Avogadro C) Sharl’ D) Gey – Lyussak 21 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) pV=m/MRT B) p=2/3 nEk C) pV=T/=const D) pV=RT 22 / 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 23 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Shtern B) Broun C) Avogadro D) Maksvell 24 / 25 Gapni davom ettiring. Moddaning 1 moliga to’g’ri kelgan massani kg (gr)larda ifodalangan qiymatiga ….deyiladi A) modda B) molar massasi C) nisbiy molekulalar massa D) moda miqdori 25 / 25 Universal gaz doimiysining qiymati va o'lchov birligini ko'rsating A) P=3,14 B) R=8,31*10³ J/mol K C) R=8,31 J/mol K D) K=1,38 J/K 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
