Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 637 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 2 2 Tomonidan yaratilgan InfoMaster 9-sinf Fizika 4-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 Fokus masofasi 12 sm bo’lgan qavarik linzaning optik kuchi (dptr) nimaga teng? A) 1 B) 8,3 C) 0,1 D) 10 2 / 25 Nur havodan suvga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Nurning tushish burchagiga bog’liq B) Yo’q C) Suv qatlamining qalinligiga bog’liq D) Ha 3 / 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) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi D) Linzaning suvga nisbatan nur sindirish ko’rsatkichi 4 / 25 Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating A) υ = at B) υ = S / t C) υ = λ / ν D) c = λ / T 5 / 25 Yorug’likning vakuumdagi tezligi (m/s) A) 30 000 B) 3 000 C) 200 000 000 D) 300 000 000 6 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = C / π B) D = V / S C) D = 2 – R D) D = m / V 7 / 25 1 m³ suvda necha molekula bor? A) 10⁵ B) 6 * 10²³ C) 5 * 10²⁵ D) 3,3 * 10²⁸ 8 / 25 Gazning o’zgarmas hajmida sodir bo'ladigan bir holatdan boshqa holatga o'tish jarayoni ……. jarayon deyiladi A) izoxorik B) adibatik C) izobarik D) izotermik 9 / 25 Termodinamikaning 1-qonuni formulasi A) Q=A+ΔU B) Q=L m C) Q=cm Δt D) Q= l m 10 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) issiqlik muvozanati B) gaz xolat tenglamasi C) issiqlik balansi D) tempratura muvozanati 11 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) Pr = mRT/v B) PV = RT/M C) Pm = vRT/M D) PV = mRT/M 12 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 2 marta kamayadi B) 2 marta ortadi C) 4 marta kamayadi D) 4 marta ortadi 13 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni A) Avogadro B) Sharl C) Boyl-Mariott D) Gey – Lyussak 14 / 25 P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping A) V₂ = T₁ T₂ V₁ / P₁ P₂ B) V₂ = T₁ P₂ / P₁ V₁ T₂ C) V₂ = P₁ V₁ T ₂ / T₁ P₂ D) V₂ = R₁ P₂ V₁/ T₁ T₂ 15 / 25 Qaysi nurlarning zarracha hususiyati ko’proq A) γ-nurlar B) ko’zga ko’rinadigan C) Ultirabinafsha D) Rentgen 16 / 25 Elektromagnit shkalasidagi nurlarning ketma-ketligini to'g’ri ko’rsating. 1) Infraqizil 2) Ko’zga ko’rinadagan 3) Radio 4) Ultrabinafsha 5) Gamma 6) Rentgen nurlari A) 1,2,3,4,5,6 B) 1,3,4,6,5,2 C) 6,5,4,3,2,1 D) 3,1,2,4,6,5 17 / 25 Yorug’lik tabiatiga qarashlar: Yorug’lik bu A) Mexanik to’lqin B) Elektromagnit to’lqin C) ham to’lqin, ham zarracha tabiatiga ega D) Fotonlar oqimi 18 / 25 Yorug’lik ta’sirida kuchlanish hosil qiladigan yarim o'tgazgich A) Diod B) Quyosh batareyasi C) Tranzistor D) Triod 19 / 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 20 / 25 Ochiq idishdagi 200C tempraturali gazning zichligini 2marta kamaytirish uchun, uning tempraturasini qanchaga orttirish kerak A) 293°C B) 260°C C) 190°C D) 203°C 21 / 25 Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi? A) v=m/M B) pV=const C) pT=const D) p/T=const 22 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) pV=RT B) p=2/3 nEk C) pV=m/MRT D) pV=T/=const 23 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.? A) Gey – Lyussak B) Avogadro C) Boyl-Mariott D) Sharl’ 24 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = m / V B) D = V / S C) D = 2 – R D) D = C / π 25 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) tempratura muvozanati B) issiqlik balansi C) gaz xolat tenglamasi D) issiqlik muvozanati 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