Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 577 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 F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Fotoapparat va ko’z B) Lupa C) Fotoapparat D) Proyeksion apparat 2 / 25 Buyum yig’uvchi linzadan d > 2F masofada joylashsa, uning tasviri qanday bo’ladi? F- linzaning fokus masofasi A) Kattalashgan, to’g’ri, mavhum B) Kattalashgan, teskari, mavhum C) Kichiklashgan, teskari, haqiqiy D) Kichiklashgan, to’g’ri, mavhum 3 / 25 Fokus masofasi 12 sm bo’lgan qavarik linzaning optik kuchi (dptr) nimaga teng? A) 10 B) 1 C) 0,1 D) 8,3 4 / 25 Yorug’lik suvda qanday tezlik (km/s) bilan tarqaladi? Suvning vakuumga nisbatan nur sindirish ko’rsatkichi 1,33 ga teng. A) 200000 B) 225000 C) 300000 D) 150000 5 / 25 Muhit nur sindirish ko’rsatkichining yorug’lik to’lqin uzunligiga bog’liq bo’lishiga yorug’lik ... deyiladi? A) Sinish B) Interferensiya C) Difraksiya D) Dispersiya 6 / 25 Nur suvdan havoga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Ha B) Yo’q C) Suv qatlamining qalinligiga bog’liq D) Nurning tushish burchagiga bog’liq 7 / 25 1/F=(n-1)(1/R1+1/R2) formulada n nimani bildiradi? A) Linzaning absolyut nur sindirish ko’rsatkichi B) Linzaning suvga nisbatan nur sindirish ko’rsatkichi C) Sfera radiuslari nisbati D) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi 8 / 25 Elektromagnit to'lqinlar spektri ko’rinadigan qismining to’lqin uzunligi diapazonini ko’rsating (mikrometr) A) Lyambda > 0,75 B) Lyambda < 0,4 C) Lyambda 0-10 D) Lyambda 0,4 - 0,75 9 / 25 1 m³ suvda necha molekula bor? A) 3,3 * 10²⁸ B) 10⁵ C) 5 * 10²⁵ D) 6 * 10²³ 10 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) issiqlik balansi B) issiqlik muvozanati C) gaz xolat tenglamasi D) tempratura muvozanati 11 / 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 12 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) 423 K B) -423 K C) 123 K D) -123 K 13 / 25 100 K Selsiy shkalasida nimaga teng A) 373 gradus S B) - 373 gradus S C) -173 gradus S D) 100 gradus S 14 / 25 Havodagi suv bug’larining to'yingan holda o'tadigan tempraturasi …………. deyiladi A) qaynash tempraturasi B) absolyut tempraturasi C) shudring tempraturasi D) bug’lanish tempraturasi 15 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni A) Boyl-Mariott B) Sharl C) Avogadro D) Gey – Lyussak 16 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10³⁴ 1/ mol B) Avogadro 6*10²⁶ 1/ mol C) Avogadro 6*10²³ 1/ mol D) Avogadro 6*10²⁴ 1/ mol 17 / 25 Fotoeffektning"Qizil chegarasi"ni topish formulasini ko’rsating. (v-nyu) (λ - lyambda) A) E=hv B) L=c/v C) E=hc/λ D) λ=A/h 18 / 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) 100 kV B) 40 kV C) 140 kV D) 200 kV 19 / 25 Fotoeffekt uchun Eneshteyin formulasini ko’rsating A) E=h v (v-nyu) B) E = hc/λ C) hv=A+mv²/2 D) E>A 20 / 25 Gapni davom ettiring. Moddaning 1 moliga to’g’ri kelgan massani kg (gr)larda ifodalangan qiymatiga ….deyiladi A) nisbiy molekulalar massa B) modda C) molar massasi D) moda miqdori 21 / 25 Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi? A) p/T=const B) v=m/M C) pT=const D) pV=const 22 / 25 Ochiq idishdagi 200C tempraturali gazning zichligini 2marta kamaytirish uchun, uning tempraturasini qanchaga orttirish kerak A) 260°C B) 190°C C) 293°C D) 203°C 23 / 25 Metallarni payvandlab ulash qaysi hodisaga asoslangan? A) Broun harakati B) Molekulalar orasidagi tortitish kuchi C) Diffuziya D) Molekulalarning atomlardan tashkil topishi 24 / 25 O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi A) Cheksiz yoyilmaydi B) Moy qatlamining qalinligiga bog'liq C) Cheksiz yoyiladi D) Moy qatlami qalinligi eng kichik zarraning kundalang kesimiga tenglashguncha yoyiladi 25 / 25 1 m ³ suvda necha molekula bor? A) 6 * 10²³ B) 5 * 10²⁵ C) 3,3 * 10²⁸ D) 10⁵ 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