9-sinf Fizika 4-chorak May 21, 2021May 21, 2021 da chop etilgan InfoMaster tomonidan 9-sinf Fizika 4-chorak ga fikr bildirilmagan. 0 Tomonidan yaratilgan InfoMaster 9-sinf Fizika 4-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 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) 3,1,2,4,6,5 B) 1,2,3,4,5,6 C) 6,5,4,3,2,1 D) 1,3,4,6,5,2 2 / 25 Yorug’lik ta’siri moddadan elektronlar ajralishi..... deyiladi A) Elektrlanish B) fotoeffekt C) termoyelektron emissiya D) Magnitlanish 3 / 25 Universal gaz doimiysining qiymati va o'lchov birligini ko'rsating A) K=1,38 J/K B) P=3,14 C) R=8,31 J/mol K D) R=8,31*10³ J/mol K 4 / 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) 2marta kamayadi C) O’zgarmaydi D) 4marta ortadi 5 / 25 1 m ³ suvda necha molekula bor? A) 3,3 * 10²⁸ B) 6 * 10²³ C) 5 * 10²⁵ D) 10⁵ 6 / 25 Ochiq idishdagi 200C tempraturali gazning zichligini 2marta kamaytirish uchun, uning tempraturasini qanchaga orttirish kerak A) 203°C B) 293°C C) 190°C D) 260°C 7 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) gaz xolat tenglamasi B) issiqlik muvozanati C) issiqlik balansi D) tempratura muvozanati 8 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) adibatik B) izaxorik C) izobarik D) izotermik 9 / 25 Yorug’lik suvda qanday tezlik (km/s) bilan tarqaladi? Suvning vakuumga nisbatan nur sindirish ko’rsatkichi 1,33 ga teng. A) 300000 B) 200000 C) 150000 D) 225000 10 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Shtern B) Maksvell C) Avogadro D) Broun 11 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 10 sm B) 15 sm C) 20 sm D) 25 sm 12 / 25 Gapni davom ettiring. Moddaning 1 moliga to’g’ri kelgan massani kg (gr)larda ifodalangan qiymatiga ….deyiladi A) molar massasi B) nisbiy molekulalar massa C) modda D) moda miqdori 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) 1,2 B) 4 C) 2,3,4 D) 1,2,3 14 / 25 Nur havodan suvga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Suv qatlamining qalinligiga bog’liq B) Yo’q C) Nurning tushish burchagiga bog’liq D) Ha 15 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = V / S B) D = C / π C) D = m / V D) D = 2 – R 16 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) PV = mRT/M B) PV = RT/M C) Pm = vRT/M D) Pr = mRT/v 17 / 25 Muhit nur sindirish ko’rsatkichining yorug’lik to’lqin uzunligiga bog’liq bo’lishiga yorug’lik ... deyiladi? A) Dispersiya B) Sinish C) Difraksiya D) Interferensiya 18 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²³ 1/ mol B) Avogadro 6*10²⁴ 1/ mol C) Avogadro 6*10²⁶ 1/ mol D) Avogadro 6*10³⁴ 1/ mol 19 / 25 Fotoeffektning"Qizil chegarasi"ni topish formulasini ko’rsating. (v-nyu) (λ - lyambda) A) E=hv B) E=hc/λ C) λ=A/h D) L=c/v 20 / 25 1/F=(n-1)(1/R1+1/R2) formulada n nimani bildiradi? A) Linzaning absolyut nur sindirish ko’rsatkichi B) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi C) Sfera radiuslari nisbati D) Linzaning suvga nisbatan nur sindirish ko’rsatkichi 21 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) tempratura B) to’yingan bug’ C) ideal gaz D) issiqlik muvozanati 22 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Maksvell B) Shtern C) Avogadro D) Broun 23 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Lupa B) Fotoapparat va ko’z C) Fotoapparat D) Proyeksion apparat 24 / 25 Aytilganlardan fotoeffekt hodisasiga asoslangan asboblarni ajrating. 1-fotodiod, 2- quyosh batareyalari, 3-foto tranzistor, 4- optron, 5- rezistor, 6-termobatareya A) 1,6 B) 1,2,3,4 C) 1,2,3,4,5,6 D) 4,5,6 25 / 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) 1 B) 3 C) 2,1 D) 4 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 Fizika choraklik
