Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 593 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 2 3 Tomonidan yaratilgan InfoMaster 9-sinf Fizika 4-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 Azotning molyar massasi 0,028 kg/mol. Azot molekulasining massasi nimaga teng A) 4,6 * 10¯²³ g B) 56 * 10¯²³ g C) 4,6 * 10¯²⁴ g D) 4,6 * 10¯⁴² g 2 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) =Q/m B) δ(sigma) = Q/L C) δ(sigma) = F/S D) δ (sigma) = F/l 3 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning qotish temperaturasi B) Suvning qaynash temperaturasi C) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura D) Suvning kritik temperaturasi 4 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) -423 K B) 123 K C) -123 K D) 423 K 5 / 25 Izotermik jarayon uchun termodinamikaning 1-qonuni A) ΔU=-A B) Q=A C) Q= ΔU+A D) Q= ΔU 6 / 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) = N / Na D) ν (nyu) = 1 / T 7 / 25 Gazning o’zgarmas hajmida sodir bo'ladigan bir holatdan boshqa holatga o'tish jarayoni ……. jarayon deyiladi A) izotermik B) adibatik C) izoxorik D) izobarik 8 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Broun B) Maksvell C) Avogadro D) Shtern 9 / 25 Lazerlarda qanday nurlanish turi qo’llaniladi A) Majburiy nurlanish B) Issiqlikdan nurlanish C) Rentgen nurlari D) Tormozli nurlanish 10 / 25 Qaysi nurlarning zarracha hususiyati kamroq A) Ultirabinafsha B) Ko’zga ko'rinadigan C) γ-nurlar D) Rentgen 11 / 25 Elektromagnit shkalasidagi nurlarning ketma-ketligini to'g’ri ko’rsating. 1) Infraqizil 2) Ko’zga ko’rinadagan 3) Radio 4) Ultrabinafsha 5) Gamma 6) Rentgen nurlari A) 3,1,2,4,6,5 B) 1,2,3,4,5,6 C) 6,5,4,3,2,1 D) 1,3,4,6,5,2 12 / 25 Qaysi nurlarning zarracha hususiyati ko’proq A) Ultirabinafsha B) ko’zga ko’rinadigan C) Rentgen D) γ-nurlar 13 / 25 Quvvati 100 vatt bo’lgan yorug’lik manbai 1s ichida 5*1020 ta foton chiqaradi. Nurlanishning to’lqin uzunligini toping(mikrometr) A) 10 B) 0,99 C) 4,5 D) 2,3 14 / 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) 3 C) 4 D) 2 15 / 25 Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating A) υ = at B) υ = S / t C) υ = λ / ν D) c = λ / T 16 / 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) Daltonizm, qavariq D) Yaqindan ko’rarlik, botiq 17 / 25 Fotoapparatda tasvir hosil bo’ladigan tekislik va ob’ektiv orasidagi masofa l qancha bo’lishi mumkin? F – ob’ektiv fokus masofasi A) l>2F B) l- f C) l=F D) l- F 18 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 10 sm B) 15 sm C) 20 sm D) 25 sm 19 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) pV=m/MRT B) pV=T/=const C) pV=RT D) p=2/3 nEk 20 / 25 Dinamika so‘zining ma’nosi nima A) kuch B) bo‘lak, parcha C) mashina D) harakat 21 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) issiqlik muvozanati B) to’yingan bug’ C) tempratura D) ideal gaz 22 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) J.Maksvel B) O.Shtern C) Avogadro D) L.Bolsman 23 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) issiqlik balansi B) tempratura muvozanati C) gaz xolat tenglamasi D) issiqlik muvozanati 24 / 25 Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan A) Qaynash B) Bug'lanish C) Bug'lanish va Qaynash D) Diffuziya 25 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²³ 1/ mol B) Avogadro 6*10²⁶ 1/ mol C) Avogadro 6*10³⁴ 1/ mol D) Avogadro 6*10²⁴ 1/ mol 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