Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 617 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 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) 3 B) 4 C) 2 D) 1 2 / 25 Yorug’lik ta’sirida kuchlanish hosil qiladigan yarim o'tgazgich A) Quyosh batareyasi B) Triod C) Tranzistor D) Diod 3 / 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) 1,2,3 B) 1,2 C) 2,3,4 D) 4 4 / 25 Yorug’lik tabiatiga qarashlar: Yorug’lik bu A) Elektromagnit to’lqin B) Fotonlar oqimi C) Mexanik to’lqin D) ham to’lqin, ham zarracha tabiatiga ega 5 / 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) 200 kV B) 140 kV C) 40 kV D) 100 kV 6 / 25 Yorug’lik ta’siri moddadan elektronlar ajralishi..... deyiladi A) termoyelektron emissiya B) Elektrlanish C) Magnitlanish D) fotoeffekt 7 / 25 Ftoeffekt hodisasi vujudga kelish uchun moddaga tushgan yorug’ to'lqin uzunligining minimal qiymatiga ....... deyilad A) Fotoemissiya to’lqin uzunligi B) Fotoeffektning qizil chegarasi C) Kvantning to’lqin uzunligi D) Nurlanish to’lqin uzunligi 8 / 25 Qaysi nurlarning zarracha hususiyati ko’proq A) γ-nurlar B) ko’zga ko’rinadigan C) Rentgen D) Ultirabinafsha 9 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Fotoapparat B) Lupa C) Fotoapparat va ko’z D) Proyeksion apparat 10 / 25 Fotoapparatda tasvir hosil bo’ladigan tekislik va ob’ektiv orasidagi masofa l qancha bo’lishi mumkin? F – ob’ektiv fokus masofasi A) l>2F B) l- f C) l=F D) l- F 11 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 20 sm B) 25 sm C) 15 sm D) 10 sm 12 / 25 Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating A) υ = S / t B) υ = at C) c = λ / T D) υ = λ / ν 13 / 25 Elektromagnit to'lqinlar spektri ko’rinadigan qismining to’lqin uzunligi diapazonini ko’rsating (mikrometr) A) Lyambda 0-10 B) Lyambda < 0,4 C) Lyambda 0,4 - 0,75 D) Lyambda > 0,75 14 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 4 marta ortadi B) 2 marta kamayadi C) 2 marta ortadi D) 4 marta kamayadi 15 / 25 Gapni davom ettiring. Moddaning 1 moliga to’g’ri kelgan massani kg (gr)larda ifodalangan qiymatiga ….deyiladi A) nisbiy molekulalar massa B) molar massasi C) moda miqdori D) modda 16 / 25 Diffuziya tezligi nimaga bog’liq A) modda miqdoriga B) tashqi bosimga C) modda zichligiga D) Modda tempraturasiga 17 / 25 Odam va hayvonlar ichagidan oziqlantiruvchi moddalar qonunga qaysi fizik hodisa tufayli o’tadi A) Broun xarakati B) Broun xarakati C) Erish D) Diffuziya 18 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.? A) Sharl’ B) Boyl-Mariott C) Gey – Lyussak D) Avogadro 19 / 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 20 / 25 Tempraturani o’lchash uchun qanday asbobdan foydalaniladi A) termometr B) Barometr C) psixrometr D) gigrometr 21 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) adibatik B) izaxorik C) izotermik D) izobarik 22 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) -123 K B) 423 K C) 123 K D) -423 K 23 / 25 Azotning molyar massasi 0,028 kg/mol. Azot molekulasining massasi nimaga teng A) 4,6 * 10¯²⁴ g B) 4,6 * 10¯⁴² g C) 4,6 * 10¯²³ g D) 56 * 10¯²³ g 24 / 25 Termodinamikaning 1-qonuni formulasi A) Q=cm Δt B) Q=L m C) Q= l m D) Q=A+ΔU 25 / 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 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