Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 628 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 Havodagi suv bug’larining to'yingan holda o'tadigan tempraturasi …………. deyiladi A) bug’lanish tempraturasi B) qaynash tempraturasi C) absolyut tempraturasi D) shudring tempraturasi 2 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²⁶ 1/ mol B) Avogadro 6*10³⁴ 1/ mol C) Avogadro 6*10²⁴ 1/ mol D) Avogadro 6*10²³ 1/ mol 3 / 25 Azotning molyar massasi 0,028 kg/mol. Azot molekulasining massasi nimaga teng A) 4,6 * 10¯⁴² g B) 56 * 10¯²³ g C) 4,6 * 10¯²⁴ g D) 4,6 * 10¯²³ g 4 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) 123 K B) 423 K C) -423 K D) -123 K 5 / 25 100 K Selsiy shkalasida nimaga teng A) 100 gradus S B) 373 gradus S C) -173 gradus S D) - 373 gradus S 6 / 25 1 m³ suvda necha molekula bor? A) 10⁵ B) 5 * 10²⁵ C) 6 * 10²³ D) 3,3 * 10²⁸ 7 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) pV=RT B) pV=T/=const C) pV=m/MRT D) p=2/3 nEk 8 / 25 Diffuziya tezligi nimaga bog’liq A) modda miqdoriga B) modda zichligiga C) Modda tempraturasiga D) tashqi bosimga 9 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Broun B) Avogadro C) Shtern D) Maksvell 10 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) P₂V₁/T₁= P₂V₂/T₂ B) P₁V₁=P₂V₂ C) P₁/T₁= P₂/T₂ D) PV = mRT/M 11 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning qotish temperaturasi B) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura C) Suvning qaynash temperaturasi D) Suvning kritik temperaturasi 12 / 25 1/F=(n-1)(1/R1+1/R2) formulada n nimani bildiradi? A) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi B) Linzaning suvga nisbatan nur sindirish ko’rsatkichi C) Sfera radiuslari nisbati D) Linzaning absolyut nur sindirish ko’rsatkichi 13 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 20 sm B) 10 sm C) 25 sm D) 15 sm 14 / 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 15 / 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) Yaqindan ko’rarlik, botiq B) Ranglarni ajratmaslik, botiq C) Daltonizm, qavariq D) Uzoqdan ko’rarlik, qavariq 16 / 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) Proyeksion apparat D) Fotoapparat 17 / 25 Nur havodan suvga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Nurning tushish burchagiga bog’liq B) Suv qatlamining qalinligiga bog’liq C) Ha D) Yo’q 18 / 25 Yorug’likning vakuumdagi tezligi (m/s) A) 300 000 000 B) 30 000 C) 3 000 D) 200 000 000 19 / 25 Fotoeffektning"Qizil chegarasi"ni topish formulasini ko’rsating. (v-nyu) (λ - lyambda) A) L=c/v B) E=hv C) E=hc/λ D) λ=A/h 20 / 25 Qaysi nurlarning zarracha hususiyati ko’proq A) ko’zga ko’rinadigan B) Ultirabinafsha C) γ-nurlar D) Rentgen 21 / 25 Ftoeffekt hodisasi vujudga kelish uchun moddaga tushgan yorug’ to'lqin uzunligining minimal qiymatiga ....... deyilad A) Kvantning to’lqin uzunligi B) Fotoeffektning qizil chegarasi C) Nurlanish to’lqin uzunligi D) Fotoemissiya to’lqin uzunligi 22 / 25 Atomning uyg’ongan holatda bo’lish vaqti qancha va qaysi raqamda berilgan 1) 10-2 -- 10-5s 2) 10 -- 20 s 3 )1 - 2 s 4)10-7 -- 10-8 s A) 4 B) 2,1 C) 1 D) 3 23 / 25 Lazer nurining tarqalish burchagi qancha? A) 10 -2 radian B) 10 -5 radian C) 10 -10 radian D) 1 radian 24 / 25 Plank doimiysi qiymatini ko’rsating A) 7,9 km/s B) 6,63*10¯³⁴ Js C) 9,8 N/kg D) 6,7*10 ¯^11 Nm²/kg² 25 / 25 Lazerlarda qanday nurlanish turi qo’llaniladi A) Rentgen nurlari B) Majburiy nurlanish C) Issiqlikdan nurlanish D) Tormozli nurlanish 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