Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 634 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 2 2 Tomonidan yaratilgan InfoMaster 9-sinf Fizika 4-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²⁴ 1/ mol B) Avogadro 6*10³⁴ 1/ mol C) Avogadro 6*10²⁶ 1/ mol D) Avogadro 6*10²³ 1/ mol 2 / 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 3 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) 123 K B) -423 K C) -123 K D) 423 K 4 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Shtern B) Maksvell C) Broun D) Avogadro 5 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) = Q/L B) δ(sigma) =Q/m C) δ(sigma) = F/S D) δ (sigma) = F/l 6 / 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 7 / 25 Termodinamikaning 1-qonuni formulasi A) Q=L m B) Q=A+ΔU C) Q= l m D) Q=cm Δt 8 / 25 Nur havodan suvga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Yo’q B) Suv qatlamining qalinligiga bog’liq C) Ha D) Nurning tushish burchagiga bog’liq 9 / 25 Yorug’lik suvda qanday tezlik (km/s) bilan tarqaladi? Suvning vakuumga nisbatan nur sindirish ko’rsatkichi 1,33 ga teng. A) 225000 B) 300000 C) 150000 D) 200000 10 / 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 11 / 25 Elektromagnit to'lqinlar spektri ko’rinadigan qismining to’lqin uzunligi diapazonini ko’rsating (mikrometr) A) Lyambda < 0,4 B) Lyambda 0-10 C) Lyambda 0,4 - 0,75 D) Lyambda > 0,75 12 / 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) Fotoapparat B) Proyeksion apparat C) Epidiaskop D) Mikroskop 13 / 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) Uzoqdan ko’rarlik, qavariq B) Yaqindan ko’rarlik, botiq C) Daltonizm, qavariq D) Ranglarni ajratmaslik, botiq 14 / 25 Universal gaz doimiysining qiymati va o'lchov birligini ko'rsating A) K=1,38 J/K B) R=8,31 J/mol K C) P=3,14 D) R=8,31*10³ J/mol K 15 / 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) 5marta kamayadi C) 4marta ortadi D) O’zgarmaydi 16 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.? A) Avogadro B) Boyl-Mariott C) Sharl’ D) Gey – Lyussak 17 / 25 Diffuziya tezligi nimaga bog’liq A) modda zichligiga B) tashqi bosimga C) modda miqdoriga D) Modda tempraturasiga 18 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) L.Bolsman B) J.Maksvel C) Avogadro D) O.Shtern 19 / 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) 2 B) 4 C) 1 D) 3 20 / 25 Plank doimiysi qiymatini ko’rsating A) 9,8 N/kg B) 6,7*10 ¯^11 Nm²/kg² C) 7,9 km/s D) 6,63*10¯³⁴ Js 21 / 25 Qaysi nurlarning zarracha hususiyati kamroq A) Ko’zga ko'rinadigan B) γ-nurlar C) Ultirabinafsha D) Rentgen 22 / 25 Fotoeffekt uchun Eneshteyin formulasini ko’rsating A) hv=A+mv²/2 B) E=h v (v-nyu) C) E>A D) E = hc/λ 23 / 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) 1,2,3,4,5,6 B) 6,5,4,3,2,1 C) 3,1,2,4,6,5 D) 1,3,4,6,5,2 24 / 25 Yorug’likning bitta porsiyasi .... deb nomlanadi A) Kvant,foton B) foton C) Elektron D) Kvant 25 / 25 Quvvati 100 vatt bo’lgan yorug’lik manbai 1s ichida 5*1020 ta foton chiqaradi. Nurlanishning to’lqin uzunligini toping(mikrometr) A) 0,99 B) 4,5 C) 10 D) 2,3 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