Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 628 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 2 2 Tomonidan yaratilgan InfoMaster 9-sinf Fizika 4-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) izotermik B) adibatik C) izobarik D) izaxorik 2 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) gaz xolat tenglamasi B) issiqlik muvozanati C) issiqlik balansi D) tempratura muvozanati 3 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) 423 K B) 123 K C) -423 K D) -123 K 4 / 25 1 m³ suvda necha molekula bor? A) 10⁵ B) 6 * 10²³ C) 3,3 * 10²⁸ D) 5 * 10²⁵ 5 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = V / S B) D = 2 – R C) D = C / π D) D = m / V 6 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Avogadro B) Shtern C) Maksvell D) Broun 7 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning kritik temperaturasi B) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura C) Suvning qaynash temperaturasi D) Suvning qotish temperaturasi 8 / 25 100 K Selsiy shkalasida nimaga teng A) 100 gradus S B) - 373 gradus S C) -173 gradus S D) 373 gradus S 9 / 25 Ftoeffekt hodisasi vujudga kelish uchun moddaga tushgan yorug’ to'lqin uzunligining minimal qiymatiga ....... deyilad A) Nurlanish to’lqin uzunligi B) Fotoemissiya to’lqin uzunligi C) Kvantning to’lqin uzunligi D) Fotoeffektning qizil chegarasi 10 / 25 Yorug’lik ta’sirida kuchlanish hosil qiladigan yarim o'tgazgich A) Diod B) Triod C) Quyosh batareyasi D) Tranzistor 11 / 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) 1,3,4,6,5,2 C) 6,5,4,3,2,1 D) 3,1,2,4,6,5 12 / 25 Rentgen turibkasining rentgen spektridangi eng "Qattiq" nurlarining chastotasi 1019 gers bo'lsa bu turibka qanday kuchlanish ostida ishlayotgan bo'ladi. h=6.62*10-34 Js e=1.6*10-19 c A) 40 kV B) 100 kV C) 140 kV D) 200 kV 13 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 10 sm B) 25 sm C) 20 sm D) 15 sm 14 / 25 1/F=(n-1)(1/R1+1/R2) formulada n nimani bildiradi? A) Sfera radiuslari nisbati B) Linzaning absolyut nur sindirish ko’rsatkichi C) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi D) Linzaning suvga nisbatan nur sindirish ko’rsatkichi 15 / 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) Daltonizm, qavariq B) Yaqindan ko’rarlik, botiq C) Uzoqdan ko’rarlik, qavariq D) Ranglarni ajratmaslik, botiq 16 / 25 Muhit nur sindirish ko’rsatkichining yorug’lik to’lqin uzunligiga bog’liq bo’lishiga yorug’lik ... deyiladi? A) Sinish B) Dispersiya C) Interferensiya D) Difraksiya 17 / 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 18 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Avogadro B) Shtern C) Maksvell D) Broun 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) O’zgarmaydi C) 5marta kamayadi D) 4marta ortadi 20 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) O.Shtern B) L.Bolsman C) Avogadro D) J.Maksvel 21 / 25 Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi? A) v=m/M B) p/T=const C) pT=const D) pV=const 22 / 25 Dinamika so‘zining ma’nosi nima A) harakat B) kuch C) mashina D) bo‘lak, parcha 23 / 25 1 m ³ suvda necha molekula bor? A) 5 * 10²⁵ B) 6 * 10²³ C) 10⁵ D) 3,3 * 10²⁸ 24 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) P₂V₁/T₁= P₂V₂/T₂ B) P₁V₁=P₂V₂ C) PV = mRT/M D) P₁/T₁= P₂/T₂ 25 / 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 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