Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 3-chorak Fizika choraklik 9-sinf Fizika 3-chorak InfoMaster May 21, 2021 1088 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 5 0 Tomonidan yaratilgan InfoMaster 9-sinf Fizika 3-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 Yorug’lik suvda qanday tezlik (km/s) bilan tarqaladi? Suvning vakuumga nisbatan nur sindirish ko’rsatkichi 1,33 ga teng. A) 150000 B) 225000 C) 300000 D) 200000 2 / 25 Buyum linzadan 4F masofaga joylashtirilgan. Shu buyumning ekrandagi tasviri uning o’zidan necha marta kichik? A) 2 B) 3 C) 1 D) 4 3 / 25 Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating A) υ = λ / ν B) c = λ / T C) υ = at D) υ = S / t 4 / 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) Lupa C) Proyeksion apparat D) Fotoapparat va ko’z 5 / 25 1/F=(n-1)(1/R1+1/R2) formulada n nimani bildiradi? A) Linzaning suvga nisbatan nur sindirish ko’rsatkichi B) Linzaning absolyut nur sindirish ko’rsatkichi C) Sfera radiuslari nisbati D) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi 6 / 25 Normal ko’rish qobiliyatiga ega bo’lgan kishi yassi ko’zguda o’z betining tasvirga diqqat bilan qaraganda ko’zguni qanday masofada (sm) tutib turish lozim? A) 6,25 B) 25 C) 50 D) 12,5 7 / 25 Nur suvdan havoga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Ha B) Nurning tushish burchagiga bog’liq C) Suv qatlamining qalinligiga bog’liq D) Yo’q 8 / 25 Elektromagnit to'lqinlar spektri ko’rinadigan qismining to’lqin uzunligi diapazonini ko’rsating (mikrometr) A) Lyambda 0,4 - 0,75 B) Lyambda > 0,75 C) Lyambda 0-10 D) Lyambda < 0,4 9 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) =Q/m B) δ (sigma) = F/l C) δ(sigma) = Q/L D) δ(sigma) = F/S 10 / 25 Gazning o’zgarmas hajmida sodir bo'ladigan bir holatdan boshqa holatga o'tish jarayoni ……. jarayon deyiladi A) izoxorik B) izobarik C) izotermik D) adibatik 11 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) izaxorik B) izotermik C) izobarik D) adibatik 12 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = V / S B) D = m / V C) D = C / π D) D = 2 – R 13 / 25 Izotermik jarayon uchun termodinamikaning 1-qonuni A) ΔU=-A B) Q= ΔU C) Q=A D) Q= ΔU+A 14 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura B) Suvning qotish temperaturasi C) Suvning kritik temperaturasi D) Suvning qaynash temperaturasi 15 / 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 16 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Maksvell B) Broun C) Avogadro D) Shtern 17 / 25 Tempraturani o’lchash uchun qanday asbobdan foydalaniladi A) Barometr B) termometr C) psixrometr D) gigrometr 18 / 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 19 / 25 Dinamika so‘zining ma’nosi nima A) kuch B) harakat C) mashina D) bo‘lak, parcha 20 / 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 21 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) tempratura muvozanati B) gaz xolat tenglamasi C) issiqlik balansi D) issiqlik muvozanati 22 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) to’yingan bug’ B) issiqlik muvozanati C) tempratura D) ideal gaz 23 / 25 Metallarni payvandlab ulash qaysi hodisaga asoslangan? A) Molekulalarning atomlardan tashkil topishi B) Broun harakati C) Diffuziya D) Molekulalar orasidagi tortitish kuchi 24 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) O.Shtern B) Avogadro C) L.Bolsman D) J.Maksvel 25 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = C / π B) D = 2 – R C) D = m / V D) D = V / S 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