Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 708 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 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, F2F munosabat aytilgan optik asboblarning qaysiciga to’gri keladi? A) Fotoapparat B) Fotoapparat va ko’z C) Lupa D) Proyeksion apparat 2 / 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) Daltonizm, qavariq C) Ranglarni ajratmaslik, botiq D) Uzoqdan ko’rarlik, qavariq 3 / 25 Elektromagnit to'lqinlar spektri ko’rinadigan qismining to’lqin uzunligi diapazonini ko’rsating (mikrometr) A) Lyambda 0,4 - 0,75 B) Lyambda 0-10 C) Lyambda > 0,75 D) Lyambda < 0,4 4 / 25 Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating A) υ = λ / ν B) c = λ / T C) υ = at D) υ = S / t 5 / 25 Nur suvdan havoga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Nurning tushish burchagiga bog’liq B) Yo’q C) Ha D) Suv qatlamining qalinligiga bog’liq 6 / 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 7 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 20 sm B) 15 sm C) 10 sm D) 25 sm 8 / 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) 50 B) 25 C) 6,25 D) 12,5 9 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²³ 1/ mol B) Avogadro 6*10²⁴ 1/ mol C) Avogadro 6*10³⁴ 1/ mol D) Avogadro 6*10²⁶ 1/ mol 10 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) Pm = vRT/M B) PV = RT/M C) Pr = mRT/v D) PV = mRT/M 11 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) -123 K B) -423 K C) 123 K D) 423 K 12 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) =Q/m B) δ(sigma) = F/S C) δ (sigma) = F/l D) δ(sigma) = Q/L 13 / 25 Plank doimiysi qiymatini ko’rsating A) 6,7*10 ¯^11 Nm²/kg² B) 7,9 km/s C) 6,63*10¯³⁴ Js D) 9,8 N/kg 14 / 25 Yorug’lik tabiatiga qarashlar: Yorug’lik bu A) Mexanik to’lqin B) Elektromagnit to’lqin C) ham to’lqin, ham zarracha tabiatiga ega D) Fotonlar oqimi 15 / 25 Yorug’lik ta’siri moddadan elektronlar ajralishi..... deyiladi A) Magnitlanish B) termoyelektron emissiya C) fotoeffekt D) Elektrlanish 16 / 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) 1,3,4,6,5,2 B) 3,1,2,4,6,5 C) 6,5,4,3,2,1 D) 1,2,3,4,5,6 17 / 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) 3 B) 1 C) 4 D) 2 18 / 25 Qaysi nurlarning zarracha hususiyati kamroq A) Ko’zga ko'rinadigan B) Rentgen C) γ-nurlar D) Ultirabinafsha 19 / 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 20 / 25 Molekulalar kinetik nazariyaning asosiy qoidalari qaysi javobda to’liq bayon qilinngan A) Modda mayday bo’laklardan tuziladi va ular fazoni uzluksiz to’ldiradi B) Modda m ayday zarralardan tashkil topgan va ular orasida o’zaro ta’sir kuchlari mavjud C) Modda elementlar zarralardan tuziladi va ular bir-biriga to’xtovsiz aylanib turadi D) Moddalar mayda zarralar- molekulalar va atomlardan tashkil topgan, ular tartibsiz va to’xtovsiz harakatda, atom va molekulalar bir-birlari bilan o’zaro ta’sirda, moddalarning xossalari shu molekulalar harakati va o’zaro ta’siri biolan belgilanadi 21 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) P₁/T₁= P₂/T₂ B) P₂V₁/T₁= P₂V₂/T₂ C) P₁V₁=P₂V₂ D) PV = mRT/M 22 / 25 Tempraturani o’lchash uchun qanday asbobdan foydalaniladi A) psixrometr B) gigrometr C) termometr D) Barometr 23 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) p=2/3 nEk B) pV=T/=const C) pV=m/MRT D) pV=RT 24 / 25 Metallarni payvandlab ulash qaysi hodisaga asoslangan? A) Molekulalar orasidagi tortitish kuchi B) Molekulalarning atomlardan tashkil topishi C) Broun harakati D) Diffuziya 25 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) L.Bolsman B) Avogadro C) O.Shtern D) J.Maksvel 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