Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 3-chorak Fizika choraklik 9-sinf Fizika 3-chorak InfoMaster May 21, 2021 660 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 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning kritik temperaturasi B) Suvning qotish temperaturasi C) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura D) Suvning qaynash temperaturasi 2 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Avogadro B) Shtern C) Maksvell D) Broun 3 / 25 100 K Selsiy shkalasida nimaga teng A) - 373 gradus S B) 100 gradus S C) 373 gradus S D) -173 gradus S 4 / 25 1 m³ suvda necha molekula bor? A) 10⁵ B) 5 * 10²⁵ C) 3,3 * 10²⁸ D) 6 * 10²³ 5 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) Pm = vRT/M B) PV = RT/M C) PV = mRT/M D) Pr = mRT/v 6 / 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 7 / 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 8 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²⁶ 1/ mol B) Avogadro 6*10²³ 1/ mol C) Avogadro 6*10²⁴ 1/ mol D) Avogadro 6*10³⁴ 1/ mol 9 / 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 10 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) izobarik B) izotermik C) izaxorik D) adibatik 11 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Maksvell B) Shtern C) Avogadro D) Broun 12 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) tempratura muvozanati B) gaz xolat tenglamasi C) issiqlik balansi D) issiqlik muvozanati 13 / 25 Ideal gaz haroratining 2marta ko’tarilishi hajm birligidagi molekulalar sonining 2marta kamayishiga olib kelagan bo’lsa, uning bosimi qanday o’zgaradi A) 2marta kamayadi B) 4marta ortadi C) 5marta kamayadi D) O’zgarmaydi 14 / 25 O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi A) Cheksiz yoyilmaydi B) Moy qatlami qalinligi eng kichik zarraning kundalang kesimiga tenglashguncha yoyiladi C) Cheksiz yoyiladi D) Moy qatlamining qalinligiga bog'liq 15 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) pV=T/=const B) pV=RT C) pV=m/MRT D) p=2/3 nEk 16 / 25 Ochiq idishdagi 200C tempraturali gazning zichligini 2marta kamaytirish uchun, uning tempraturasini qanchaga orttirish kerak A) 260°C B) 293°C C) 203°C D) 190°C 17 / 25 Diffuziya tezligi nimaga bog’liq A) modda miqdoriga B) modda zichligiga C) tashqi bosimga D) Modda tempraturasiga 18 / 25 Fotoapparatda tasvir hosil bo’ladigan tekislik va ob’ektiv orasidagi masofa l qancha bo’lishi mumkin? F – ob’ektiv fokus masofasi A) l- F B) l- f C) l=F D) l>2F 19 / 25 Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating A) c = λ / T B) υ = S / t C) υ = at D) υ = λ / ν 20 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Proyeksion apparat B) Lupa C) Fotoapparat va ko’z D) Fotoapparat 21 / 25 Normal ko’rish qobiliyatiga ega bo’lgan kishi yassi ko’zguda o’z betining tasvirga diqqat bilan qaraganda ko’zguni qanday masofada (sm) tutib turish lozim? A) 6,25 B) 50 C) 25 D) 12,5 22 / 25 Muhit nur sindirish ko’rsatkichining yorug’lik to’lqin uzunligiga bog’liq bo’lishiga yorug’lik ... deyiladi? A) Interferensiya B) Difraksiya C) Dispersiya D) Sinish 23 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 25 sm B) 15 sm C) 20 sm D) 10 sm 24 / 25 1/F=(n-1)(1/R1+1/R2) formulada n nimani bildiradi? A) Linzaning suvga nisbatan nur sindirish ko’rsatkichi B) Sfera radiuslari nisbati C) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi D) Linzaning absolyut nur sindirish ko’rsatkichi 25 / 25 Asosiy qismi ob’ektiv va kameradan iborat. Tasvir kameraning orqa tomonida to’nkarilgan, haqiqiy va kichraygan holda hosil bo’ladi. Nima haqida gap bormoqda? A) Mikroskop B) Fotoapparat C) Proyeksion apparat D) Epidiaskop 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