Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 617 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 2 0 Tomonidan yaratilgan InfoMaster 9-sinf Fizika 4-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 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 2 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) izaxorik B) adibatik C) izobarik D) izotermik 3 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) =Q/m B) δ(sigma) = Q/L C) δ (sigma) = F/l D) δ(sigma) = F/S 4 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 2 marta kamayadi B) 4 marta kamayadi C) 4 marta ortadi D) 2 marta ortadi 5 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) tempratura muvozanati B) issiqlik balansi C) issiqlik muvozanati D) gaz xolat tenglamasi 6 / 25 100 K Selsiy shkalasida nimaga teng A) - 373 gradus S B) 373 gradus S C) 100 gradus S D) -173 gradus S 7 / 25 Kavnt energiyasi formulasi ko’rsating. 1. E=h v 2. E=hc/λ, 3. E=A, 4-E>A (v-nyu) (λ - lyambda) A) 2,3,4 B) 4 C) 1,2 D) 1,2,3 8 / 25 Qaysi nurlarning zarracha hususiyati kamroq A) Ko’zga ko'rinadigan B) Ultirabinafsha C) Rentgen D) γ-nurlar 9 / 25 Anod kuchlanishi 100kilovolt bo'lganda rentgen turibkasi anodiga yetib borayotgan elektronlarning kinetik energiyasi qanday bo’ladi? e=1,6*10-19 C qaysi raqamda berilgan 1) 1,6*10-14 J 2) 1,6*10-19 J 3) 16 J 4) 160 J A) 1 B) 4 C) 2 D) 3 10 / 25 Lazerlarda qanday nurlanish turi qo’llaniladi A) Issiqlikdan nurlanish B) Rentgen nurlari C) Tormozli nurlanish D) Majburiy nurlanish 11 / 25 Atomning uyg’ongan holatda bo’lish vaqti qancha va qaysi raqamda berilgan 1) 10-2 -- 10-5s 2) 10 -- 20 s 3 )1 - 2 s 4)10-7 -- 10-8 s A) 1 B) 3 C) 4 D) 2,1 12 / 25 Bu nuqsonda ko’z gavhari nurlarni to’r parda orqasiga to’playdi. Nuqsonning nomini ayting. Bunday odamlar qanday linzadan yasalgan ko’zoynak taqadi? A) Ranglarni ajratmaslik, botiq B) Uzoqdan ko’rarlik, qavariq C) Yaqindan ko’rarlik, botiq D) Daltonizm, qavariq 13 / 25 Yorug’likning vakuumdagi tezligi (m/s) A) 30 000 B) 200 000 000 C) 3 000 D) 300 000 000 14 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Fotoapparat va ko’z B) Fotoapparat C) Lupa D) Proyeksion apparat 15 / 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 16 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 10 sm B) 25 sm C) 15 sm D) 20 sm 17 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) pV=T/=const B) p=2/3 nEk C) pV=RT D) pV=m/MRT 18 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²⁴ 1/ mol B) Avogadro 6*10²⁶ 1/ mol C) Avogadro 6*10²³ 1/ mol D) Avogadro 6*10³⁴ 1/ mol 19 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.? A) Boyl-Mariott B) Sharl’ C) Gey – Lyussak D) Avogadro 20 / 25 Universal gaz doimiysining qiymati va o'lchov birligini ko'rsating A) R=8,31 J/mol K B) K=1,38 J/K C) P=3,14 D) R=8,31*10³ J/mol K 21 / 25 Ochiq idishdagi 200C tempraturali gazning zichligini 2marta kamaytirish uchun, uning tempraturasini qanchaga orttirish kerak A) 260°C B) 203°C C) 293°C D) 190°C 22 / 25 Ideal gaz haroratining 2marta ko’tarilishi hajm birligidagi molekulalar sonining 2marta kamayishiga olib kelagan bo’lsa, uning bosimi qanday o’zgaradi A) 4marta ortadi B) 5marta kamayadi C) O’zgarmaydi D) 2marta kamayadi 23 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) L.Bolsman B) J.Maksvel C) Avogadro D) O.Shtern 24 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = C / π B) D = m / V C) D = V / S D) D = 2 – R 25 / 25 1 m ³ suvda necha molekula bor? A) 5 * 10²⁵ B) 6 * 10²³ C) 10⁵ D) 3,3 * 10²⁸ 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