Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 678 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 Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi? A) pT=const B) pV=const C) p/T=const D) v=m/M 2 / 25 Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan A) Qaynash B) Bug'lanish C) Bug'lanish va Qaynash D) Diffuziya 3 / 25 Ideal gaz haroratining 2marta ko’tarilishi hajm birligidagi molekulalar sonining 2marta kamayishiga olib kelagan bo’lsa, uning bosimi qanday o’zgaradi A) 5marta kamayadi B) 4marta ortadi C) 2marta kamayadi D) O’zgarmaydi 4 / 25 Odam va hayvonlar ichagidan oziqlantiruvchi moddalar qonunga qaysi fizik hodisa tufayli o’tadi A) Diffuziya B) Broun xarakati C) Broun xarakati D) Erish 5 / 25 1 m ³ suvda necha molekula bor? A) 3,3 * 10²⁸ B) 10⁵ C) 6 * 10²³ D) 5 * 10²⁵ 6 / 25 Tempraturani o’lchash uchun qanday asbobdan foydalaniladi A) psixrometr B) Barometr C) gigrometr D) termometr 7 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²⁶ 1/ mol B) Avogadro 6*10²³ 1/ mol C) Avogadro 6*10²⁴ 1/ mol D) Avogadro 6*10³⁴ 1/ mol 8 / 25 Dinamika so‘zining ma’nosi nima A) kuch B) bo‘lak, parcha C) mashina D) harakat 9 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) ideal gaz B) to’yingan bug’ C) tempratura D) issiqlik muvozanati 10 / 25 P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping A) V₂ = T₁ P₂ / P₁ V₁ T₂ B) V₂ = R₁ P₂ V₁/ T₁ T₂ C) V₂ = T₁ T₂ V₁ / P₁ P₂ D) V₂ = P₁ V₁ T ₂ / T₁ P₂ 11 / 25 Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating A) ν (nyu) = 1 / T B) ν (nyu) = N / Na C) ν (nyu) = Nm / M D) ν (nyu) = m / M 12 / 25 1 m³ suvda necha molekula bor? A) 3,3 * 10²⁸ B) 10⁵ C) 5 * 10²⁵ D) 6 * 10²³ 13 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) gaz xolat tenglamasi B) issiqlik balansi C) tempratura muvozanati D) issiqlik muvozanati 14 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) adibatik B) izaxorik C) izobarik D) izotermik 15 / 25 Havodagi suv bug’larining to'yingan holda o'tadigan tempraturasi …………. deyiladi A) absolyut tempraturasi B) shudring tempraturasi C) bug’lanish tempraturasi D) qaynash tempraturasi 16 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 25 sm B) 20 sm C) 15 sm D) 10 sm 17 / 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) Linzaning fokus masofasini B) Ko’zning eng yaxshi ko’rish masofasini C) Nuqsonni ko’z uchun ko’zoynak optik kuchini D) Linzaning optik kuchini 18 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Fotoapparat B) Fotoapparat va ko’z C) Proyeksion apparat D) Lupa 19 / 25 4 marta kattalashtirilgan lupaning optik kuchini (dptr) aniqlang. Buyumdan lupagacha bo'lgan masofa 5/16 m ga teng. A) 4 dptr B) 8 dptr C) 16 dptr D) 10 dptr 20 / 25 Yorug’likning vakuumdagi tezligi (m/s) A) 3 000 B) 300 000 000 C) 30 000 D) 200 000 000 21 / 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) 50 C) 12,5 D) 25 22 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, F2F munosabat aytilgan optik asboblarning qaysiciga to’gri keladi? A) Lupa B) Proyeksion apparat C) Fotoapparat va ko’z D) Fotoapparat 23 / 25 Lazer nurining tarqalish burchagi qancha? A) 10 -5 radian B) 1 radian C) 10 -10 radian D) 10 -2 radian 24 / 25 Quvvati 100 vatt bo’lgan yorug’lik manbai 1s ichida 5*1020 ta foton chiqaradi. Nurlanishning to’lqin uzunligini toping(mikrometr) A) 4,5 B) 2,3 C) 0,99 D) 10 25 / 25 Lazerlarda qanday nurlanish turi qo’llaniladi A) Majburiy nurlanish B) Issiqlikdan nurlanish C) Tormozli nurlanish D) Rentgen nurlari 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