9-sinf Fizika 4-chorak Posted on May 21, 2021May 21, 2021 By InfoMaster 9-sinf Fizika 4-chorak ga fikr bildirilmagan. 16 9-sinf Fizika 4-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: NamePhone Number 1 / 25 1 m ³ suvda necha molekula bor? A) 3,3 * 10²⁸ B) 5 * 10²⁵ C) 6 * 10²³ D) 10⁵ 2 / 25 Dinamika so‘zining ma’nosi nima A) mashina B) harakat C) kuch D) bo‘lak, parcha 3 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) L.Bolsman B) O.Shtern C) Avogadro D) J.Maksvel 4 / 25 Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi? A) pV=const B) v=m/M C) p/T=const D) pT=const 5 / 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) 2marta kamayadi D) O’zgarmaydi 6 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning kritik temperaturasi B) Suvning qotish temperaturasi C) Suvning qaynash temperaturasi D) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura 7 / 25 Yorug’lik suvda qanday tezlik (km/s) bilan tarqaladi? Suvning vakuumga nisbatan nur sindirish ko’rsatkichi 1,33 ga teng. A) 300000 B) 150000 C) 200000 D) 225000 8 / 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>2F C) l- f D) l=F 9 / 25 D = 1 / L0 - 1 / d1 formula yordamida nima aniqlanadi? L0- sog’ ko'zning yaxshi ko'rish masofasi, d1- nuqsonli ko’zning yaxshi ko’rish masofasi A) Linzaning fokus masofasini B) Ko’zning eng yaxshi ko’rish masofasini C) Linzaning optik kuchini D) Nuqsonni ko’z uchun ko’zoynak optik kuchini 10 / 25 Fokus masofasi 12 sm bo’lgan qavarik linzaning optik kuchi (dptr) nimaga teng? A) 10 B) 8,3 C) 0,1 D) 1 11 / 25 Bu nuqsonda ko’z gavhari tasvirni to’r pardada emas, balki uning old qismida hosil qiladi. Bunday odamlar qanday linzadan yasalgan ko’zoynak taqadi? A) Uzoqdan ko’rarlik, qavariq B) Ranglarni ajratmaslik, botiq C) Daltonizm, qavariq D) Yaqindan ko’rarlik, botiq 12 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Broun B) Shtern C) Avogadro D) Maksvell 13 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) Pr = mRT/v B) Pm = vRT/M C) PV = mRT/M D) PV = RT/M 14 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²⁴ 1/ mol B) Avogadro 6*10²³ 1/ mol C) Avogadro 6*10²⁶ 1/ mol D) Avogadro 6*10³⁴ 1/ mol 15 / 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) Gey – Lyussak D) Sharl 16 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura B) Suvning qaynash temperaturasi C) Suvning qotish temperaturasi D) Suvning kritik temperaturasi 17 / 25 Fotoeffekt uchun Eneshteyin formulasini ko’rsating A) E=h v (v-nyu) B) E = hc/λ C) E>A D) hv=A+mv²/2 18 / 25 Ko’z sezgirligi katta. 0,5 mikrometr to’lqin uzunlikdagi quvvati 2*10-17 vatt bo’lgan yorug’likni ko’z zo’riqishsiz qabul qila oladi. Bu holda ko’zning to’r pardasiga har 1sda nechta foton tushib turadi A) 200 B) 153 C) 100 D) 53 19 / 25 Yorug’lik ta’sirida kuchlanish hosil qiladigan yarim o'tgazgich A) Diod B) Quyosh batareyasi C) Tranzistor D) Triod 20 / 25 Qaysi nurlarning zarracha hususiyati ko’proq A) Ultirabinafsha B) Rentgen C) γ-nurlar D) ko’zga ko’rinadigan 21 / 25 Fotoeffektning"Qizil chegarasi"ni topish formulasini ko’rsating. (v-nyu) (λ - lyambda) A) λ=A/h B) E=hc/λ C) E=hv D) L=c/v 22 / 25 Rentgen turibkasining rentgen spektridangi eng "Qattiq" nurlarining chastotasi 1019 gers bo'lsa bu turibka qanday kuchlanish ostida ishlayotgan bo'ladi. h=6.62*10-34 Js e=1.6*10-19 c A) 100 kV B) 200 kV C) 140 kV D) 40 kV 23 / 25 Yorug’lik tabiatiga qarashlar: Yorug’lik bu A) ham to’lqin, ham zarracha tabiatiga ega B) Elektromagnit to’lqin C) Fotonlar oqimi D) Mexanik to’lqin 24 / 25 Atomning uyg’ongan holatda bo’lish vaqti qancha va qaysi raqamda berilgan1) 10-2 -- 10-5s 2) 10 -- 20 s 3 )1 - 2 s 4)10-7 -- 10-8 s A) 4 B) 2,1 C) 1 D) 3 25 / 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 berilgan1) 1,6*10-14 J 2) 1,6*10-19 J 3) 16 J 4) 160 J A) 3 B) 1 C) 4 D) 2 0% Testni qayta ishga tushiring Baholash mezoni86%-100% 5 baho71%-85% 4 baho56%-70% 3 baho55% va kamiga 2 baho Fikr-mulohaza yuboring Author: InfoMaster 1Yoqdi0Yoqmadi100% LikesVS0% Dislikes Fizika
