9-sinf Fizika 4-chorak May 21, 2021May 21, 2021 da chop etilgan InfoMaster tomonidan 9-sinf Fizika 4-chorak ga fikr bildirilmagan. 67 9-sinf Fizika 4-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 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) Nuqsonni ko’z uchun ko’zoynak optik kuchini C) Linzaning optik kuchini D) Ko’zning eng yaxshi ko’rish masofasini 2 / 25 Nur havodan suvga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Yo’q B) Ha C) Nurning tushish burchagiga bog’liq D) Suv qatlamining qalinligiga bog’liq 3 / 25 Muhit nur sindirish ko’rsatkichining yorug’lik to’lqin uzunligiga bog’liq bo’lishiga yorug’lik ... deyiladi? A) Difraksiya B) Dispersiya C) Sinish D) Interferensiya 4 / 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 va ko’z B) Fotoapparat C) Proyeksion apparat D) Lupa 5 / 25 Buyum linzadan 4F masofaga joylashtirilgan. Shu buyumning ekrandagi tasviri uning o’zidan necha marta kichik? A) 2 B) 3 C) 4 D) 1 6 / 25 1/F=(n-1)(1/R1+1/R2) formulada n nimani bildiradi? A) Linzaning absolyut nur sindirish ko’rsatkichi B) Sfera radiuslari nisbati C) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi D) Linzaning suvga nisbatan nur sindirish ko’rsatkichi 7 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Fotoapparat va ko’z B) Proyeksion apparat C) Fotoapparat D) Lupa 8 / 25 Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating A) υ = S / t B) υ = at C) c = λ / T D) υ = λ / ν 9 / 25 Tempraturani o’lchash uchun qanday asbobdan foydalaniladi A) Barometr B) termometr C) psixrometr D) gigrometr 10 / 25 Universal gaz doimiysining qiymati va o'lchov birligini ko'rsating A) R=8,31 J/mol K B) K=1,38 J/K C) P=3,14 D) R=8,31*10³ J/mol K 11 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) J.Maksvel B) Avogadro C) L.Bolsman D) O.Shtern 12 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) pV=RT B) p=2/3 nEk C) pV=T/=const D) pV=m/MRT 13 / 25 Fotoeffektning"Qizil chegarasi"ni topish formulasini ko’rsating. (v-nyu) (λ - lyambda) A) E=hv B) L=c/v C) λ=A/h D) E=hc/λ 14 / 25 Lazerlarda qanday nurlanish turi qo’llaniladi A) Tormozli nurlanish B) Majburiy nurlanish C) Issiqlikdan nurlanish D) Rentgen nurlari 15 / 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) 1,3,4,6,5,2 D) 3,1,2,4,6,5 16 / 25 Ftoeffekt hodisasi vujudga kelish uchun moddaga tushgan yorug’ to'lqin uzunligining minimal qiymatiga ....... deyilad A) Kvantning to’lqin uzunligi B) Fotoemissiya to’lqin uzunligi C) Nurlanish to’lqin uzunligi D) Fotoeffektning qizil chegarasi 17 / 25 Yorug’lik ta’siri moddadan elektronlar ajralishi..... deyiladi A) termoyelektron emissiya B) Elektrlanish C) Magnitlanish D) fotoeffekt 18 / 25 1 m³ suvda necha molekula bor? A) 5 * 10²⁵ B) 10⁵ C) 3,3 * 10²⁸ D) 6 * 10²³ 19 / 25 Havodagi suv bug’larining to'yingan holda o'tadigan tempraturasi …………. deyiladi A) absolyut tempraturasi B) qaynash tempraturasi C) bug’lanish tempraturasi D) shudring tempraturasi 20 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) PV = mRT/M B) Pm = vRT/M C) PV = RT/M D) Pr = mRT/v 21 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 4 marta ortadi B) 2 marta ortadi C) 4 marta kamayadi D) 2 marta kamayadi 22 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²³ 1/ mol B) Avogadro 6*10³⁴ 1/ mol C) Avogadro 6*10²⁶ 1/ mol D) Avogadro 6*10²⁴ 1/ mol 23 / 25 Termodinamikaning 1-qonuni formulasi A) Q= l m B) Q=L m C) Q=cm Δt D) Q=A+ΔU 24 / 25 Izotermik jarayon uchun termodinamikaning 1-qonuni A) Q=A B) ΔU=-A C) Q= ΔU D) Q= ΔU+A 25 / 25 Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating A) ν (nyu) = m / M B) ν (nyu) = 1 / T C) ν (nyu) = Nm / M D) ν (nyu) = N / Na 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 Fizika choraklik