Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 568 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 Buyum yig’uvchi linzadan d > 2F masofada joylashsa, uning tasviri qanday bo’ladi? F- linzaning fokus masofasi A) Kattalashgan, teskari, mavhum B) Kichiklashgan, to’g’ri, mavhum C) Kichiklashgan, teskari, haqiqiy D) Kattalashgan, to’g’ri, mavhum 2 / 25 Buyum linzadan 4F masofaga joylashtirilgan. Shu buyumning ekrandagi tasviri uning o’zidan necha marta kichik? A) 1 B) 3 C) 2 D) 4 3 / 25 Nur suvdan havoga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Yo’q B) Nurning tushish burchagiga bog’liq C) Suv qatlamining qalinligiga bog’liq D) Ha 4 / 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) Yaqindan ko’rarlik, botiq B) Ranglarni ajratmaslik, botiq C) Uzoqdan ko’rarlik, qavariq D) Daltonizm, qavariq 5 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 15 sm B) 25 sm C) 10 sm D) 20 sm 6 / 25 Plank doimiysi qiymatini ko’rsating A) 6,63*10¯³⁴ Js B) 7,9 km/s C) 6,7*10 ¯^11 Nm²/kg² D) 9,8 N/kg 7 / 25 Yorug’lik tabiatiga qarashlar: Yorug’lik bu A) Fotonlar oqimi B) Elektromagnit to’lqin C) Mexanik to’lqin D) ham to’lqin, ham zarracha tabiatiga ega 8 / 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) 1,3,4,6,5,2 C) 1,2,3,4,5,6 D) 6,5,4,3,2,1 9 / 25 Fotoeffektning"Qizil chegarasi"ni topish formulasini ko’rsating. (v-nyu) (λ - lyambda) A) E=hc/λ B) L=c/v C) E=hv D) λ=A/h 10 / 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) 4 B) 2,3,4 C) 1,2,3 D) 1,2 11 / 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) 140 kV B) 100 kV C) 40 kV D) 200 kV 12 / 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) 3 B) 2,1 C) 4 D) 1 13 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) tempratura B) ideal gaz C) to’yingan bug’ D) issiqlik muvozanati 14 / 25 Universal gaz doimiysining qiymati va o'lchov birligini ko'rsating A) K=1,38 J/K B) R=8,31*10³ J/mol K C) R=8,31 J/mol K D) P=3,14 15 / 25 Tempraturani o’lchash uchun qanday asbobdan foydalaniladi A) gigrometr B) Barometr C) psixrometr D) termometr 16 / 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 17 / 25 Dinamika so‘zining ma’nosi nima A) harakat B) kuch C) bo‘lak, parcha D) mashina 18 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) O.Shtern B) Avogadro C) L.Bolsman D) J.Maksvel 19 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) tempratura muvozanati B) issiqlik muvozanati C) issiqlik balansi D) gaz xolat tenglamasi 20 / 25 Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating A) ν (nyu) = N / Na B) ν (nyu) = 1 / T C) ν (nyu) = Nm / M D) ν (nyu) = m / M 21 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning qotish temperaturasi B) Suvning kritik temperaturasi C) Suvning qaynash temperaturasi D) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura 22 / 25 Izoxorik jarayon uchun termodinamikaning 1-qonuni A) Q= ΔU+A B) Q= ΔU C) Q=A D) ΔU=-A 23 / 25 Izotermik jarayon uchun termodinamikaning 1-qonuni A) Q=A B) Q= ΔU+A C) Q= ΔU D) ΔU=-A 24 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) = Q/L B) δ (sigma) = F/l C) δ(sigma) =Q/m D) δ(sigma) = F/S 25 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) Pm = vRT/M B) PV = RT/M C) Pr = mRT/v D) PV = mRT/M 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