Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 668 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 Yorug’likning bitta porsiyasi .... deb nomlanadi A) Elektron B) Kvant C) foton D) Kvant,foton 2 / 25 Fotoeffekt uchun Eneshteyin formulasini ko’rsating A) E=h v (v-nyu) B) hv=A+mv²/2 C) E = hc/λ D) E>A 3 / 25 Yorug’lik ta’sirida kuchlanish hosil qiladigan yarim o'tgazgich A) Diod B) Tranzistor C) Triod D) Quyosh batareyasi 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) 1 B) 4 C) 2,1 D) 3 5 / 25 Ko’z sezgirligi katta. 0,5 mikrometr to’lqin uzunlikdagi quvvati 2*10-17 vatt bo’lgan yorug’likni ko’z zo’riqishsiz qabul qila oladi. Bu holda ko’zning to’r pardasiga har 1sda nechta foton tushib turadi A) 153 B) 100 C) 53 D) 200 6 / 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) 1 D) 3 7 / 25 Yorug’lik tabiatiga qarashlar: Yorug’lik bu A) ham to’lqin, ham zarracha tabiatiga ega B) Mexanik to’lqin C) Fotonlar oqimi D) Elektromagnit to’lqin 8 / 25 Izotermik jarayon uchun termodinamikaning 1-qonuni A) Q= ΔU B) Q=A C) Q= ΔU+A D) ΔU=-A 9 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²⁶ 1/ mol B) Avogadro 6*10²⁴ 1/ mol C) Avogadro 6*10³⁴ 1/ mol D) Avogadro 6*10²³ 1/ mol 10 / 25 Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating A) ν (nyu) = 1 / T B) ν (nyu) = m / M C) ν (nyu) = Nm / M D) ν (nyu) = N / Na 11 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Avogadro B) Broun C) Shtern D) Maksvell 12 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) 423 K B) 123 K C) -423 K D) -123 K 13 / 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 14 / 25 Universal gaz doimiysining qiymati va o'lchov birligini ko'rsating A) R=8,31 J/mol K B) R=8,31*10³ J/mol K C) K=1,38 J/K D) P=3,14 15 / 25 Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan A) Bug'lanish va Qaynash B) Qaynash C) Bug'lanish D) Diffuziya 16 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) P₁/T₁= P₂/T₂ B) P₂V₁/T₁= P₂V₂/T₂ C) PV = mRT/M D) P₁V₁=P₂V₂ 17 / 25 Dinamika so‘zining ma’nosi nima A) kuch B) mashina C) bo‘lak, parcha D) harakat 18 / 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 19 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Maksvell B) Broun C) Shtern D) Avogadro 20 / 25 Gapni davom ettiring. Moddaning 1 moliga to’g’ri kelgan massani kg (gr)larda ifodalangan qiymatiga ….deyiladi A) moda miqdori B) molar massasi C) nisbiy molekulalar massa D) modda 21 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²⁴ 1/ mol B) Avogadro 6*10²³ 1/ mol C) Avogadro 6*10²⁶ 1/ mol D) Avogadro 6*10³⁴ 1/ mol 22 / 25 Elektromagnit to'lqinlar spektri ko’rinadigan qismining to’lqin uzunligi diapazonini ko’rsating (mikrometr) A) Lyambda < 0,4 B) Lyambda > 0,75 C) Lyambda 0,4 - 0,75 D) Lyambda 0-10 23 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 25 sm B) 20 sm C) 10 sm D) 15 sm 24 / 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) Linzaning suvga nisbatan nur sindirish ko’rsatkichi D) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi 25 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, F2F munosabat aytilgan optik asboblarning qaysiciga to’gri keladi? A) Proyeksion apparat B) Fotoapparat va ko’z C) Fotoapparat D) Lupa 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