Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 293 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 1 0 9-sinf Fizika 4-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 1 m ³ suvda necha molekula bor? A) 3,3 * 10²⁸ B) 10⁵ C) 6 * 10²³ D) 5 * 10²⁵ 2 / 25 Tempraturani o’lchash uchun qanday asbobdan foydalaniladi A) psixrometr B) termometr C) Barometr D) gigrometr 3 / 25 Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan A) Bug'lanish va Qaynash B) Bug'lanish C) Diffuziya D) Qaynash 4 / 25 Dinamika so‘zining ma’nosi nima A) kuch B) mashina C) bo‘lak, parcha D) harakat 5 / 25 Gapni davom ettiring. Moddaning 1 moliga to’g’ri kelgan massani kg (gr)larda ifodalangan qiymatiga ….deyiladi A) molar massasi B) moda miqdori C) nisbiy molekulalar massa D) modda 6 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 4 marta kamayadi B) 2 marta ortadi C) 4 marta ortadi D) 2 marta kamayadi 7 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) J.Maksvel B) O.Shtern C) L.Bolsman D) Avogadro 8 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 10 sm B) 25 sm C) 20 sm D) 15 sm 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) Fotoapparat va ko’z B) Fotoapparat C) Proyeksion apparat D) Lupa 10 / 25 Buyum linzadan 4F masofaga joylashtirilgan. Shu buyumning ekrandagi tasviri uning o’zidan necha marta kichik? A) 2 B) 4 C) 3 D) 1 11 / 25 Yorug’likning vakuumdagi tezligi (m/s) A) 30 000 B) 200 000 000 C) 300 000 000 D) 3 000 12 / 25 Termodinamikaning 1-qonuni formulasi A) Q=cm Δt B) Q=L m C) Q= l m D) Q=A+ΔU 13 / 25 Izoxorik jarayon uchun termodinamikaning 1-qonuni A) Q= ΔU B) Q= ΔU+A C) Q=A D) ΔU=-A 14 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) = Q/L B) δ (sigma) = F/l C) δ(sigma) =Q/m D) δ(sigma) = F/S 15 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = C / π B) D = V / S C) D = m / V D) D = 2 – R 16 / 25 P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping A) V₂ = T₁ P₂ / P₁ V₁ T₂ B) V₂ = R₁ P₂ V₁/ T₁ T₂ C) V₂ = P₁ V₁ T ₂ / T₁ P₂ D) V₂ = T₁ T₂ V₁ / P₁ P₂ 17 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) Pm = vRT/M B) PV = mRT/M C) Pr = mRT/v D) PV = RT/M 18 / 25 Gazning o’zgarmas hajmida sodir bo'ladigan bir holatdan boshqa holatga o'tish jarayoni ……. jarayon deyiladi A) izotermik B) izobarik C) izoxorik D) adibatik 19 / 25 Yorug’likning bitta porsiyasi .... deb nomlanadi A) Kvant,foton B) Kvant C) Elektron D) foton 20 / 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) 4 B) 3 C) 1 D) 2 21 / 25 Fotoeffektning"Qizil chegarasi"ni topish formulasini ko’rsating. (v-nyu) (λ - lyambda) A) λ=A/h B) E=hc/λ C) E=hv D) L=c/v 22 / 25 Yorug’lik ta’sirida kuchlanish hosil qiladigan yarim o'tgazgich A) Tranzistor B) Triod C) Quyosh batareyasi D) Diod 23 / 25 Yorug’lik tabiatiga qarashlar: Yorug’lik bu A) Fotonlar oqimi B) Mexanik to’lqin C) ham to’lqin, ham zarracha tabiatiga ega D) Elektromagnit to’lqin 24 / 25 Fotoeffekt uchun Eneshteyin formulasini ko’rsating A) hv=A+mv²/2 B) E>A C) E=h v (v-nyu) D) E = hc/λ 25 / 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 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 Tomonidan Wordpress Quiz plugin Author: InfoMaster Foydali bo'lsa mamnunmiz