Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 655 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 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) Yaqindan ko’rarlik, botiq B) Ranglarni ajratmaslik, botiq C) Uzoqdan ko’rarlik, qavariq D) Daltonizm, qavariq 2 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 25 sm B) 15 sm C) 10 sm D) 20 sm 3 / 25 Muhit nur sindirish ko’rsatkichining yorug’lik to’lqin uzunligiga bog’liq bo’lishiga yorug’lik ... deyiladi? A) Dispersiya B) Difraksiya C) Sinish D) Interferensiya 4 / 25 Yorug’lik suvda qanday tezlik (km/s) bilan tarqaladi? Suvning vakuumga nisbatan nur sindirish ko’rsatkichi 1,33 ga teng. A) 225000 B) 300000 C) 150000 D) 200000 5 / 25 Plank doimiysi qiymatini ko’rsating A) 9,8 N/kg B) 7,9 km/s C) 6,63*10¯³⁴ Js D) 6,7*10 ¯^11 Nm²/kg² 6 / 25 Qaysi nurlarning zarracha hususiyati kamroq A) Ko’zga ko'rinadigan B) Ultirabinafsha C) γ-nurlar D) Rentgen 7 / 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) 6,5,4,3,2,1 D) 1,2,3,4,5,6 8 / 25 Aytilganlardan fotoeffekt hodisasiga asoslangan asboblarni ajrating. 1-fotodiod, 2- quyosh batareyalari, 3-foto tranzistor, 4- optron, 5- rezistor, 6-termobatareya A) 1,2,3,4,5,6 B) 1,2,3,4 C) 4,5,6 D) 1,6 9 / 25 Lazer nurining tarqalish burchagi qancha? A) 1 radian B) 10 -10 radian C) 10 -2 radian D) 10 -5 radian 10 / 25 Fotoeffektning"Qizil chegarasi"ni topish formulasini ko’rsating. (v-nyu) (λ - lyambda) A) L=c/v B) λ=A/h C) E=hc/λ D) E=hv 11 / 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) 2 B) 4 C) 3 D) 1 12 / 25 Yorug’lik ta’siri moddadan elektronlar ajralishi..... deyiladi A) Elektrlanish B) fotoeffekt C) Magnitlanish D) termoyelektron emissiya 13 / 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 14 / 25 1 m³ suvda necha molekula bor? A) 5 * 10²⁵ B) 6 * 10²³ C) 3,3 * 10²⁸ D) 10⁵ 15 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) adibatik B) izotermik C) izobarik D) izaxorik 16 / 25 Termodinamikaning 1-qonuni formulasi A) Q=cm Δt B) Q=L m C) Q=A+ΔU D) Q= l m 17 / 25 Selsiy shkalasidagi t temperatura Kelvin shkalasidagi tempratura bilan bog’lanish formulasi …. ? A) T = 273 - t B) T = - t - 273 C) T = t- 273 D) T = t + 273 18 / 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 19 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) =Q/m B) δ (sigma) = F/l C) δ(sigma) = Q/L D) δ(sigma) = F/S 20 / 25 Izotermik jarayon uchun termodinamikaning 1-qonuni A) Q= ΔU+A B) Q= ΔU C) ΔU=-A D) Q=A 21 / 25 Odam va hayvonlar ichagidan oziqlantiruvchi moddalar qonunga qaysi fizik hodisa tufayli o’tadi A) Diffuziya B) Erish C) Broun xarakati D) Broun xarakati 22 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning qotish temperaturasi B) Suvning qaynash temperaturasi C) Suvning kritik temperaturasi D) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura 23 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) issiqlik muvozanati B) issiqlik balansi C) gaz xolat tenglamasi D) tempratura muvozanati 24 / 25 Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan A) Bug'lanish va Qaynash B) Diffuziya C) Qaynash D) Bug'lanish 25 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) P₂V₁/T₁= P₂V₂/T₂ B) PV = mRT/M C) P₁/T₁= P₂/T₂ D) P₁V₁=P₂V₂ 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