Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 679 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 Azotning molyar massasi 0,028 kg/mol. Azot molekulasining massasi nimaga teng A) 4,6 * 10¯²³ g B) 4,6 * 10¯⁴² g C) 4,6 * 10¯²⁴ g D) 56 * 10¯²³ g 2 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) -123 K B) -423 K C) 123 K D) 423 K 3 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = 2 – R B) D = m / V C) D = C / π D) D = V / S 4 / 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 5 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) PV = mRT/M B) Pm = vRT/M C) PV = RT/M D) Pr = mRT/v 6 / 25 Termodinamikaning 1-qonuni formulasi A) Q= l m B) Q=A+ΔU C) Q=cm Δt D) Q=L m 7 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = m / V B) D = C / π C) D = V / S D) D = 2 – R 8 / 25 Odam va hayvonlar ichagidan oziqlantiruvchi moddalar qonunga qaysi fizik hodisa tufayli o’tadi A) Erish B) Broun xarakati C) Diffuziya D) Broun xarakati 9 / 25 Ochiq idishdagi 200C tempraturali gazning zichligini 2marta kamaytirish uchun, uning tempraturasini qanchaga orttirish kerak A) 203°C B) 293°C C) 260°C D) 190°C 10 / 25 Tempraturani o’lchash uchun qanday asbobdan foydalaniladi A) gigrometr B) psixrometr C) Barometr D) termometr 11 / 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) Sharl’ D) Boyl-Mariott 12 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) gaz xolat tenglamasi B) tempratura muvozanati C) issiqlik balansi D) issiqlik muvozanati 13 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) Avogadro B) L.Bolsman C) J.Maksvel D) O.Shtern 14 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) P₁/T₁= P₂/T₂ B) P₂V₁/T₁= P₂V₂/T₂ C) PV = mRT/M D) P₁V₁=P₂V₂ 15 / 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) Linzaning fokus masofasini C) Linzaning optik kuchini D) Ko’zning eng yaxshi ko’rish masofasini 16 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Lupa B) Proyeksion apparat C) Fotoapparat D) Fotoapparat va ko’z 17 / 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 B) Proyeksion apparat C) Lupa D) Fotoapparat va ko’z 18 / 25 Nur havodan suvga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Yo’q B) Ha C) Nurning tushish burchagiga bog’liq D) Suv qatlamining qalinligiga bog’liq 19 / 25 Fokus masofasi 12 sm bo’lgan qavarik linzaning optik kuchi (dptr) nimaga teng? A) 0,1 B) 8,3 C) 10 D) 1 20 / 25 Yorug’likning vakuumdagi tezligi (m/s) A) 30 000 B) 3 000 C) 300 000 000 D) 200 000 000 21 / 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) 2 D) 1 22 / 25 Plank doimiysi qiymatini ko’rsating A) 9,8 N/kg B) 6,63*10¯³⁴ Js C) 6,7*10 ¯^11 Nm²/kg² D) 7,9 km/s 23 / 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) 4 D) 2,3,4 24 / 25 Fotoeffektning"Qizil chegarasi"ni topish formulasini ko’rsating. (v-nyu) (λ - lyambda) A) E=hv B) λ=A/h C) L=c/v D) E=hc/λ 25 / 25 Lazerlarda qanday nurlanish turi qo’llaniladi A) Rentgen nurlari B) Issiqlikdan nurlanish C) Tormozli nurlanish D) Majburiy nurlanish 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