Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 600 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 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = m / V B) D = 2 – R C) D = V / S D) D = C / π 2 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni A) Gey – Lyussak B) Avogadro C) Boyl-Mariott D) Sharl 3 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) Pr = mRT/v B) Pm = vRT/M C) PV = mRT/M D) PV = RT/M 4 / 25 Selsiy shkalasidagi t temperatura Kelvin shkalasidagi tempratura bilan bog’lanish formulasi …. ? A) T = - t - 273 B) T = t + 273 C) T = t- 273 D) T = 273 - t 5 / 25 Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating A) ν (nyu) = 1 / T B) ν (nyu) = Nm / M C) ν (nyu) = N / Na D) ν (nyu) = m / M 6 / 25 Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating A) c = λ / T B) υ = λ / ν C) υ = S / t D) υ = at 7 / 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) Proyeksion apparat C) Fotoapparat va ko’z D) Lupa 8 / 25 Buyum linzadan 4F masofaga joylashtirilgan. Shu buyumning ekrandagi tasviri uning o’zidan necha marta kichik? A) 3 B) 2 C) 1 D) 4 9 / 25 4 marta kattalashtirilgan lupaning optik kuchini (dptr) aniqlang. Buyumdan lupagacha bo'lgan masofa 5/16 m ga teng. A) 8 dptr B) 4 dptr C) 10 dptr D) 16 dptr 10 / 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) Daltonizm, qavariq B) Ranglarni ajratmaslik, botiq C) Yaqindan ko’rarlik, botiq D) Uzoqdan ko’rarlik, qavariq 11 / 25 Muhit nur sindirish ko’rsatkichining yorug’lik to’lqin uzunligiga bog’liq bo’lishiga yorug’lik ... deyiladi? A) Difraksiya B) Sinish C) Dispersiya D) Interferensiya 12 / 25 Fokus masofasi 12 sm bo’lgan qavarik linzaning optik kuchi (dptr) nimaga teng? A) 0,1 B) 10 C) 8,3 D) 1 13 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Lupa B) Proyeksion apparat C) Fotoapparat D) Fotoapparat va ko’z 14 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 10 sm B) 25 sm C) 15 sm D) 20 sm 15 / 25 Yorug’lik tabiatiga qarashlar: Yorug’lik bu A) Mexanik to’lqin B) Fotonlar oqimi C) ham to’lqin, ham zarracha tabiatiga ega D) Elektromagnit to’lqin 16 / 25 Yorug’lik ta’siri moddadan elektronlar ajralishi..... deyiladi A) Elektrlanish B) termoyelektron emissiya C) fotoeffekt D) Magnitlanish 17 / 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) 1 B) 4 C) 3 D) 2,1 18 / 25 Tempraturani o’lchash uchun qanday asbobdan foydalaniladi A) gigrometr B) termometr C) psixrometr D) Barometr 19 / 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) O’zgarmaydi D) 4marta ortadi 20 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) issiqlik balansi B) gaz xolat tenglamasi C) issiqlik muvozanati D) tempratura muvozanati 21 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) pV=T/=const B) p=2/3 nEk C) pV=m/MRT D) pV=RT 22 / 25 Odam va hayvonlar ichagidan oziqlantiruvchi moddalar qonunga qaysi fizik hodisa tufayli o’tadi A) Erish B) Broun xarakati C) Broun xarakati D) Diffuziya 23 / 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 24 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 4 marta kamayadi B) 2 marta ortadi C) 2 marta kamayadi D) 4 marta ortadi 25 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Broun B) Maksvell C) Shtern D) Avogadro 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