Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 679 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 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) 1 D) 4 2 / 25 Fotoeffektning"Qizil chegarasi"ni topish formulasini ko’rsating. (v-nyu) (λ - lyambda) A) λ=A/h B) E=hv C) L=c/v D) E=hc/λ 3 / 25 Yorug’lik ta’sirida kuchlanish hosil qiladigan yarim o'tgazgich A) Quyosh batareyasi B) Tranzistor C) Diod D) Triod 4 / 25 Yorug’lik ta’siri moddadan elektronlar ajralishi..... deyiladi A) Elektrlanish B) fotoeffekt C) Magnitlanish D) termoyelektron emissiya 5 / 25 Fotoeffekt uchun Eneshteyin formulasini ko’rsating A) E = hc/λ B) E>A C) E=h v (v-nyu) D) hv=A+mv²/2 6 / 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) 1,2,3 C) 2,3,4 D) 1,2 7 / 25 Muhit nur sindirish ko’rsatkichining yorug’lik to’lqin uzunligiga bog’liq bo’lishiga yorug’lik ... deyiladi? A) Sinish B) Difraksiya C) Interferensiya D) Dispersiya 8 / 25 Nur suvdan havoga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Ha B) Nurning tushish burchagiga bog’liq C) Yo’q D) Suv qatlamining qalinligiga bog’liq 9 / 25 1/F=(n-1)(1/R1+1/R2) formulada n nimani bildiradi? A) Linzaning suvga nisbatan nur sindirish ko’rsatkichi B) Linzaning absolyut nur sindirish ko’rsatkichi C) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi D) Sfera radiuslari nisbati 10 / 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) Ranglarni ajratmaslik, botiq B) Daltonizm, qavariq C) Uzoqdan ko’rarlik, qavariq D) Yaqindan ko’rarlik, botiq 11 / 25 Buyum linzadan 4F masofaga joylashtirilgan. Shu buyumning ekrandagi tasviri uning o’zidan necha marta kichik? A) 4 B) 3 C) 2 D) 1 12 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Fotoapparat va ko’z B) Lupa C) Proyeksion apparat D) Fotoapparat 13 / 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*10²⁴ 1/ mol D) Avogadro 6*10²⁶ 1/ mol 14 / 25 100 K Selsiy shkalasida nimaga teng A) 373 gradus S B) - 373 gradus S C) -173 gradus S D) 100 gradus S 15 / 25 P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping A) V₂ = T₁ T₂ V₁ / P₁ P₂ B) V₂ = P₁ V₁ T ₂ / T₁ P₂ C) V₂ = R₁ P₂ V₁/ T₁ T₂ D) V₂ = T₁ P₂ / P₁ V₁ T₂ 16 / 25 Selsiy shkalasidagi t temperatura Kelvin shkalasidagi tempratura bilan bog’lanish formulasi …. ? A) T = t + 273 B) T = 273 - t C) T = t- 273 D) T = - t - 273 17 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) Pm = vRT/M B) Pr = mRT/v C) PV = mRT/M D) PV = RT/M 18 / 25 Universal gaz doimiysining qiymati va o'lchov birligini ko'rsating A) P=3,14 B) R=8,31*10³ J/mol K C) R=8,31 J/mol K D) K=1,38 J/K 19 / 25 Diffuziya tezligi nimaga bog’liq A) modda miqdoriga B) tashqi bosimga C) modda zichligiga D) Modda tempraturasiga 20 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) to’yingan bug’ B) ideal gaz C) tempratura D) issiqlik muvozanati 21 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.? A) Gey – Lyussak B) Sharl’ C) Boyl-Mariott D) Avogadro 22 / 25 Tempraturani o’lchash uchun qanday asbobdan foydalaniladi A) termometr B) Barometr C) psixrometr D) gigrometr 23 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 4 marta ortadi B) 2 marta kamayadi C) 4 marta kamayadi D) 2 marta ortadi 24 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning kritik temperaturasi B) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura C) Suvning qotish temperaturasi D) Suvning qaynash temperaturasi 25 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) P₂V₁/T₁= P₂V₂/T₂ B) P₁V₁=P₂V₂ C) PV = mRT/M D) P₁/T₁= P₂/T₂ 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