Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 3-chorak Fizika choraklik 9-sinf Fizika 3-chorak InfoMaster May 21, 2021 850 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 5 1 Tomonidan yaratilgan InfoMaster 9-sinf Fizika 3-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 1/F=(n-1)(1/R1+1/R2) formulada n nimani bildiradi? A) Linzaning suvga nisbatan nur sindirish ko’rsatkichi B) Sfera radiuslari nisbati C) Linzaning absolyut nur sindirish ko’rsatkichi D) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi 2 / 25 Yorug’lik suvda qanday tezlik (km/s) bilan tarqaladi? Suvning vakuumga nisbatan nur sindirish ko’rsatkichi 1,33 ga teng. A) 225000 B) 150000 C) 300000 D) 200000 3 / 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) 12,5 B) 50 C) 6,25 D) 25 4 / 25 Fokus masofasi 12 sm bo’lgan qavarik linzaning optik kuchi (dptr) nimaga teng? A) 8,3 B) 10 C) 0,1 D) 1 5 / 25 Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating A) υ = at B) c = λ / T C) υ = λ / ν D) υ = S / t 6 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 4 marta ortadi B) 2 marta ortadi C) 4 marta kamayadi D) 2 marta kamayadi 7 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Broun B) Shtern C) Avogadro D) Maksvell 8 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) = Q/L B) δ(sigma) =Q/m C) δ(sigma) = F/S D) δ (sigma) = F/l 9 / 25 Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating A) ν (nyu) = N / Na B) ν (nyu) = 1 / T C) ν (nyu) = m / M D) ν (nyu) = Nm / M 10 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) issiqlik muvozanati B) gaz xolat tenglamasi C) tempratura muvozanati D) issiqlik balansi 11 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni A) Sharl B) Boyl-Mariott C) Gey – Lyussak D) Avogadro 12 / 25 1 m³ suvda necha molekula bor? A) 6 * 10²³ B) 3,3 * 10²⁸ C) 5 * 10²⁵ D) 10⁵ 13 / 25 Ideal gaz haroratining 2marta ko’tarilishi hajm birligidagi molekulalar sonining 2marta kamayishiga olib kelagan bo’lsa, uning bosimi qanday o’zgaradi A) O’zgarmaydi B) 5marta kamayadi C) 2marta kamayadi D) 4marta ortadi 14 / 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 15 / 25 Molekulalar kinetik nazariyaning asosiy qoidalari qaysi javobda to’liq bayon qilinngan A) Moddalar mayda zarralar- molekulalar va atomlardan tashkil topgan, ular tartibsiz va to’xtovsiz harakatda, atom va molekulalar bir-birlari bilan o’zaro ta’sirda, moddalarning xossalari shu molekulalar harakati va o’zaro ta’siri biolan belgilanadi B) Modda elementlar zarralardan tuziladi va ular bir-biriga to’xtovsiz aylanib turadi C) Modda m ayday zarralardan tashkil topgan va ular orasida o’zaro ta’sir kuchlari mavjud D) Modda mayday bo’laklardan tuziladi va ular fazoni uzluksiz to’ldiradi 16 / 25 1 m ³ suvda necha molekula bor? A) 10⁵ B) 6 * 10²³ C) 5 * 10²⁵ D) 3,3 * 10²⁸ 17 / 25 Universal gaz doimiysining qiymati va o'lchov birligini ko'rsating A) R=8,31*10³ J/mol K B) R=8,31 J/mol K C) K=1,38 J/K D) P=3,14 18 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) p=2/3 nEk B) pV=T/=const C) pV=m/MRT D) pV=RT 19 / 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 20 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Avogadro B) Maksvell C) Broun D) Shtern 21 / 25 Tempraturani o’lchash uchun qanday asbobdan foydalaniladi A) Barometr B) psixrometr C) termometr D) gigrometr 22 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) ideal gaz B) issiqlik muvozanati C) to’yingan bug’ D) tempratura 23 / 25 Gapni davom ettiring. Moddaning 1 moliga to’g’ri kelgan massani kg (gr)larda ifodalangan qiymatiga ….deyiladi A) moda miqdori B) molar massasi C) modda D) nisbiy molekulalar massa 24 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning qaynash temperaturasi B) Suvning qotish temperaturasi C) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura D) Suvning kritik temperaturasi 25 / 25 Odam va hayvonlar ichagidan oziqlantiruvchi moddalar qonunga qaysi fizik hodisa tufayli o’tadi A) Broun xarakati B) Diffuziya C) Broun xarakati D) Erish 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