Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 704 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 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 2 / 25 Lazer nurining tarqalish burchagi qancha? A) 1 radian B) 10 -2 radian C) 10 -10 radian D) 10 -5 radian 3 / 25 Qaysi nurlarning zarracha hususiyati kamroq A) Rentgen B) Ultirabinafsha C) γ-nurlar D) Ko’zga ko'rinadigan 4 / 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) 100 B) 153 C) 200 D) 53 5 / 25 Yorug’lik tabiatiga qarashlar: Yorug’lik bu A) ham to’lqin, ham zarracha tabiatiga ega B) Mexanik to’lqin C) Elektromagnit to’lqin D) Fotonlar oqimi 6 / 25 Fotoeffektning"Qizil chegarasi"ni topish formulasini ko’rsating. (v-nyu) (λ - lyambda) A) E=hc/λ B) L=c/v C) λ=A/h D) E=hv 7 / 25 Izoxorik jarayon uchun termodinamikaning 1-qonuni A) Q= ΔU+A B) ΔU=-A C) Q=A D) Q= ΔU 8 / 25 Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating A) ν (nyu) = 1 / T B) ν (nyu) = Nm / M C) ν (nyu) = N / Na D) ν (nyu) = m / M 9 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) PV = RT/M B) PV = mRT/M C) Pm = vRT/M D) Pr = mRT/v 10 / 25 Termodinamikaning 1-qonuni formulasi A) Q=A+ΔU B) Q=cm Δt C) Q=L m D) Q= l m 11 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = m / V B) D = V / S C) D = C / π D) D = 2 – R 12 / 25 P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping A) V₂ = R₁ P₂ V₁/ T₁ T₂ B) V₂ = T₁ T₂ V₁ / P₁ P₂ C) V₂ = T₁ P₂ / P₁ V₁ T₂ D) V₂ = P₁ V₁ T ₂ / T₁ P₂ 13 / 25 Azotning molyar massasi 0,028 kg/mol. Azot molekulasining massasi nimaga teng A) 56 * 10¯²³ g B) 4,6 * 10¯²⁴ g C) 4,6 * 10¯⁴² g D) 4,6 * 10¯²³ g 14 / 25 1/F=(n-1)(1/R1+1/R2) formulada n nimani bildiradi? A) Linzaning absolyut nur sindirish ko’rsatkichi B) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi C) Sfera radiuslari nisbati D) Linzaning suvga nisbatan nur sindirish ko’rsatkichi 15 / 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 16 / 25 Asosiy qismi ob’ektiv va kameradan iborat. Tasvir kameraning orqa tomonida to’nkarilgan, haqiqiy va kichraygan holda hosil bo’ladi. Nima haqida gap bormoqda? A) Fotoapparat B) Mikroskop C) Proyeksion apparat D) Epidiaskop 17 / 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) Nuqsonni ko’z uchun ko’zoynak optik kuchini B) Ko’zning eng yaxshi ko’rish masofasini C) Linzaning fokus masofasini D) Linzaning optik kuchini 18 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 10 sm B) 20 sm C) 15 sm D) 25 sm 19 / 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 20 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) ideal gaz B) to’yingan bug’ C) tempratura D) issiqlik muvozanati 21 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) Avogadro B) J.Maksvel C) L.Bolsman D) O.Shtern 22 / 25 Odam va hayvonlar ichagidan oziqlantiruvchi moddalar qonunga qaysi fizik hodisa tufayli o’tadi A) Diffuziya B) Broun xarakati C) Erish D) Broun xarakati 23 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) p=2/3 nEk B) pV=m/MRT C) pV=T/=const D) pV=RT 24 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.? A) Boyl-Mariott B) Gey – Lyussak C) Sharl’ D) Avogadro 25 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10³⁴ 1/ mol B) Avogadro 6*10²⁴ 1/ mol C) Avogadro 6*10²³ 1/ mol D) Avogadro 6*10²⁶ 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