Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 631 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 Lazerlarda qanday nurlanish turi qo’llaniladi A) Majburiy nurlanish B) Rentgen nurlari C) Issiqlikdan nurlanish D) Tormozli nurlanish 2 / 25 Qaysi nurlarning zarracha hususiyati kamroq A) Rentgen B) Ultirabinafsha C) Ko’zga ko'rinadigan D) γ-nurlar 3 / 25 Yorug’lik ta’siri moddadan elektronlar ajralishi..... deyiladi A) Magnitlanish B) Elektrlanish C) fotoeffekt D) termoyelektron emissiya 4 / 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) 4 B) 3 C) 1 D) 2,1 5 / 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) 6,5,4,3,2,1 B) 1,3,4,6,5,2 C) 3,1,2,4,6,5 D) 1,2,3,4,5,6 6 / 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) Ko’zning eng yaxshi ko’rish masofasini B) Linzaning fokus masofasini C) Linzaning optik kuchini D) Nuqsonni ko’z uchun ko’zoynak optik kuchini 7 / 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) Daltonizm, qavariq C) Uzoqdan ko’rarlik, qavariq D) Ranglarni ajratmaslik, botiq 8 / 25 Muhit nur sindirish ko’rsatkichining yorug’lik to’lqin uzunligiga bog’liq bo’lishiga yorug’lik ... deyiladi? A) Dispersiya B) Interferensiya C) Sinish D) Difraksiya 9 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, F2F munosabat aytilgan optik asboblarning qaysiciga to’gri keladi? A) Lupa B) Proyeksion apparat C) Fotoapparat va ko’z D) Fotoapparat 10 / 25 Normal ko’rish qobiliyatiga ega bo’lgan kishi yassi ko’zguda o’z betining tasvirga diqqat bilan qaraganda ko’zguni qanday masofada (sm) tutib turish lozim? A) 6,25 B) 25 C) 12,5 D) 50 11 / 25 Fokus masofasi 12 sm bo’lgan qavarik linzaning optik kuchi (dptr) nimaga teng? A) 10 B) 0,1 C) 1 D) 8,3 12 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) izotermik B) izaxorik C) izobarik D) adibatik 13 / 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 14 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) = Q/L B) δ (sigma) = F/l C) δ(sigma) = F/S D) δ(sigma) =Q/m 15 / 25 Termodinamikaning 1-qonuni formulasi A) Q=A+ΔU B) Q= l m C) Q=L m D) Q=cm Δt 16 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Maksvell B) Shtern C) Broun D) Avogadro 17 / 25 Azotning molyar massasi 0,028 kg/mol. Azot molekulasining massasi nimaga teng A) 4,6 * 10¯²⁴ g B) 56 * 10¯²³ g C) 4,6 * 10¯²³ g D) 4,6 * 10¯⁴² g 18 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) -123 K B) 123 K C) 423 K D) -423 K 19 / 25 Izotermik jarayon uchun termodinamikaning 1-qonuni A) Q= ΔU+A B) ΔU=-A C) Q= ΔU D) Q=A 20 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) P₂V₁/T₁= P₂V₂/T₂ B) PV = mRT/M C) P₁/T₁= P₂/T₂ D) P₁V₁=P₂V₂ 21 / 25 Ochiq idishdagi 200C tempraturali gazning zichligini 2marta kamaytirish uchun, uning tempraturasini qanchaga orttirish kerak A) 293°C B) 203°C C) 260°C D) 190°C 22 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = V / S B) D = m / V C) D = C / π D) D = 2 – R 23 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.? A) Avogadro B) Gey – Lyussak C) Boyl-Mariott D) Sharl’ 24 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²⁴ 1/ mol B) Avogadro 6*10³⁴ 1/ mol C) Avogadro 6*10²⁶ 1/ mol D) Avogadro 6*10²³ 1/ mol 25 / 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 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