Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 894 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 5 2 Tomonidan yaratilgan InfoMaster 9-sinf Fizika 4-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 Ko’zdan turli uzoqlikda joylashgan buyumlarni aniqroq ko’rish uchun mahsus muskullar ko’z gavharining egrilik radiusini bir oz o’zgartiradi. Bunga ... deyiladi? A) Adaptatsiya B) moslashish C) Ko’rish masofasini o’zgartirish D) Akkomodatsiya 2 / 25 Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating A) υ = λ / ν B) υ = at C) c = λ / T D) υ = S / t 3 / 25 4 marta kattalashtirilgan lupaning optik kuchini (dptr) aniqlang. Buyumdan lupagacha bo'lgan masofa 5/16 m ga teng. A) 4 dptr B) 10 dptr C) 16 dptr D) 8 dptr 4 / 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 5 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Fotoapparat va ko’z B) Proyeksion apparat C) Fotoapparat D) Lupa 6 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) -123 K B) -423 K C) 423 K D) 123 K 7 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) =Q/m B) δ(sigma) = F/S C) δ(sigma) = Q/L D) δ (sigma) = F/l 8 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 2 marta ortadi B) 2 marta kamayadi C) 4 marta ortadi D) 4 marta kamayadi 9 / 25 Havodagi suv bug’larining to'yingan holda o'tadigan tempraturasi …………. deyiladi A) absolyut tempraturasi B) qaynash tempraturasi C) bug’lanish tempraturasi D) shudring tempraturasi 10 / 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*10²³ 1/ mol D) Avogadro 6*10²⁴ 1/ mol 11 / 25 Lazerlarda qanday nurlanish turi qo’llaniladi A) Tormozli nurlanish B) Majburiy nurlanish C) Issiqlikdan nurlanish D) Rentgen nurlari 12 / 25 Lazer nurining tarqalish burchagi qancha? A) 10 -10 radian B) 10 -5 radian C) 10 -2 radian D) 1 radian 13 / 25 Kavnt energiyasi formulasi ko’rsating. 1. E=h v 2. E=hc/λ, 3. E=A, 4-E>A (v-nyu) (λ - lyambda) A) 2,3,4 B) 1,2,3 C) 4 D) 1,2 14 / 25 Plank doimiysi qiymatini ko’rsating A) 7,9 km/s B) 9,8 N/kg C) 6,63*10¯³⁴ Js D) 6,7*10 ¯^11 Nm²/kg² 15 / 25 Elektromagnit shkalasidagi nurlarning ketma-ketligini to'g’ri ko’rsating. 1) Infraqizil 2) Ko’zga ko’rinadagan 3) Radio 4) Ultrabinafsha 5) Gamma 6) Rentgen nurlari A) 6,5,4,3,2,1 B) 1,3,4,6,5,2 C) 3,1,2,4,6,5 D) 1,2,3,4,5,6 16 / 25 Fotoeffekt uchun Eneshteyin formulasini ko’rsating A) hv=A+mv²/2 B) E>A C) E = hc/λ D) E=h v (v-nyu) 17 / 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 18 / 25 Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan A) Qaynash B) Diffuziya C) Bug'lanish D) Bug'lanish va Qaynash 19 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) ideal gaz B) tempratura C) to’yingan bug’ D) issiqlik muvozanati 20 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.? A) Boyl-Mariott B) Gey – Lyussak C) Sharl’ D) Avogadro 21 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = V / S B) D = m / V C) D = 2 – R D) D = C / π 22 / 25 Ochiq idishdagi 200C tempraturali gazning zichligini 2marta kamaytirish uchun, uning tempraturasini qanchaga orttirish kerak A) 260°C B) 190°C C) 203°C D) 293°C 23 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) gaz xolat tenglamasi B) issiqlik balansi C) tempratura muvozanati D) issiqlik muvozanati 24 / 25 Diffuziya tezligi nimaga bog’liq A) modda miqdoriga B) tashqi bosimga C) modda zichligiga D) Modda tempraturasiga 25 / 25 Dinamika so‘zining ma’nosi nima A) mashina B) kuch C) harakat D) bo‘lak, parcha 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