Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 693 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 2 1 Tomonidan yaratilgan InfoMaster 9-sinf Fizika 4-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 Ftoeffekt hodisasi vujudga kelish uchun moddaga tushgan yorug’ to'lqin uzunligining minimal qiymatiga ....... deyilad A) Fotoeffektning qizil chegarasi B) Fotoemissiya to’lqin uzunligi C) Kvantning to’lqin uzunligi D) Nurlanish to’lqin uzunligi 2 / 25 Yorug’lik ta’siri moddadan elektronlar ajralishi..... deyiladi A) termoyelektron emissiya B) Elektrlanish C) fotoeffekt D) Magnitlanish 3 / 25 Lazer nurining tarqalish burchagi qancha? A) 10 -2 radian B) 10 -10 radian C) 10 -5 radian D) 1 radian 4 / 25 Yorug’likning bitta porsiyasi .... deb nomlanadi A) Elektron B) foton C) Kvant D) Kvant,foton 5 / 25 Gazning o’zgarmas hajmida sodir bo'ladigan bir holatdan boshqa holatga o'tish jarayoni ……. jarayon deyiladi A) izoxorik B) adibatik C) izotermik D) izobarik 6 / 25 100 K Selsiy shkalasida nimaga teng A) 373 gradus S B) -173 gradus S C) 100 gradus S D) - 373 gradus S 7 / 25 Havodagi suv bug’larining to'yingan holda o'tadigan tempraturasi …………. deyiladi A) absolyut tempraturasi B) bug’lanish tempraturasi C) shudring tempraturasi D) qaynash tempraturasi 8 / 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 9 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Broun B) Shtern C) Avogadro D) Maksvell 10 / 25 Azotning molyar massasi 0,028 kg/mol. Azot molekulasining massasi nimaga teng A) 4,6 * 10¯⁴² g B) 4,6 * 10¯²³ g C) 56 * 10¯²³ g D) 4,6 * 10¯²⁴ g 11 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = 2 – R B) D = m / V C) D = V / S D) D = C / π 12 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) Pm = vRT/M B) PV = RT/M C) Pr = mRT/v D) PV = mRT/M 13 / 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 14 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = 2 – R B) D = m / V C) D = V / S D) D = C / π 15 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) P₁/T₁= P₂/T₂ B) P₂V₁/T₁= P₂V₂/T₂ C) PV = mRT/M D) P₁V₁=P₂V₂ 16 / 25 Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi? A) p/T=const B) pT=const C) v=m/M D) pV=const 17 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²³ 1/ mol B) Avogadro 6*10²⁶ 1/ mol C) Avogadro 6*10³⁴ 1/ mol D) Avogadro 6*10²⁴ 1/ mol 18 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) tempratura B) to’yingan bug’ C) issiqlik muvozanati D) ideal gaz 19 / 25 Dinamika so‘zining ma’nosi nima A) mashina B) bo‘lak, parcha C) kuch D) harakat 20 / 25 Ideal gaz haroratining 2marta ko’tarilishi hajm birligidagi molekulalar sonining 2marta kamayishiga olib kelagan bo’lsa, uning bosimi qanday o’zgaradi A) 2marta kamayadi B) 4marta ortadi C) O’zgarmaydi D) 5marta kamayadi 21 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) pV=m/MRT B) pV=RT C) pV=T/=const D) p=2/3 nEk 22 / 25 Bu nuqsonda ko’z gavhari tasvirni to’r pardada emas, balki uning old qismida hosil qiladi. Bunday odamlar qanday linzadan yasalgan ko’zoynak taqadi? A) Uzoqdan ko’rarlik, qavariq B) Ranglarni ajratmaslik, botiq C) Yaqindan ko’rarlik, botiq D) Daltonizm, qavariq 23 / 25 Buyum linzadan 4F masofaga joylashtirilgan. Shu buyumning ekrandagi tasviri uning o’zidan necha marta kichik? A) 1 B) 4 C) 2 D) 3 24 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, F2F munosabat aytilgan optik asboblarning qaysiciga to’gri keladi? A) Proyeksion apparat B) Fotoapparat va ko’z C) Lupa D) Fotoapparat 25 / 25 Bu nuqsonda ko’z gavhari nurlarni to’r parda orqasiga to’playdi. Nuqsonning nomini ayting. Bunday odamlar qanday linzadan yasalgan ko’zoynak taqadi? A) Ranglarni ajratmaslik, botiq B) Yaqindan ko’rarlik, botiq C) Uzoqdan ko’rarlik, qavariq D) Daltonizm, qavariq 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