Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 3-chorak Fizika choraklik 9-sinf Fizika 3-chorak InfoMaster May 21, 2021 681 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 5 0 Tomonidan yaratilgan InfoMaster 9-sinf Fizika 3-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) Akkomodatsiya B) moslashish C) Ko’rish masofasini o’zgartirish D) Adaptatsiya 2 / 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) 25 B) 50 C) 12,5 D) 6,25 3 / 25 Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating A) c = λ / T B) υ = S / t C) υ = λ / ν D) υ = at 4 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 20 sm B) 10 sm C) 15 sm D) 25 sm 5 / 25 Nur suvdan havoga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Yo’q B) Nurning tushish burchagiga bog’liq C) Ha D) Suv qatlamining qalinligiga bog’liq 6 / 25 Fokus masofasi 12 sm bo’lgan qavarik linzaning optik kuchi (dptr) nimaga teng? A) 0,1 B) 8,3 C) 1 D) 10 7 / 25 Yorug’likning vakuumdagi tezligi (m/s) A) 3 000 B) 300 000 000 C) 30 000 D) 200 000 000 8 / 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) Daltonizm, qavariq B) Ranglarni ajratmaslik, botiq C) Yaqindan ko’rarlik, botiq D) Uzoqdan ko’rarlik, qavariq 9 / 25 Termodinamikaning 1-qonuni formulasi A) Q= l m B) Q=cm Δt C) Q=A+ΔU D) Q=L m 10 / 25 P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping A) V₂ = T₁ T₂ V₁ / P₁ P₂ B) V₂ = R₁ P₂ V₁/ T₁ T₂ C) V₂ = T₁ P₂ / P₁ V₁ T₂ D) V₂ = P₁ V₁ T ₂ / T₁ P₂ 11 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) tempratura muvozanati B) issiqlik balansi C) issiqlik muvozanati D) gaz xolat tenglamasi 12 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) Pr = mRT/v B) Pm = vRT/M C) PV = mRT/M D) PV = RT/M 13 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Avogadro B) Maksvell C) Broun D) Shtern 14 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni A) Boyl-Mariott B) Sharl C) Gey – Lyussak D) Avogadro 15 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = C / π B) D = V / S C) D = 2 – R D) D = m / V 16 / 25 100 K Selsiy shkalasida nimaga teng A) 100 gradus S B) - 373 gradus S C) -173 gradus S D) 373 gradus S 17 / 25 Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating A) ν (nyu) = N / Na B) ν (nyu) = m / M C) ν (nyu) = Nm / M D) ν (nyu) = 1 / T 18 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 4 marta ortadi B) 2 marta kamayadi C) 4 marta kamayadi D) 2 marta ortadi 19 / 25 Ochiq idishdagi 200C tempraturali gazning zichligini 2marta kamaytirish uchun, uning tempraturasini qanchaga orttirish kerak A) 203°C B) 260°C C) 190°C D) 293°C 20 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) P₁V₁=P₂V₂ B) P₂V₁/T₁= P₂V₂/T₂ C) P₁/T₁= P₂/T₂ D) PV = mRT/M 21 / 25 Tempraturani o’lchash uchun qanday asbobdan foydalaniladi A) gigrometr B) psixrometr C) Barometr D) termometr 22 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) Avogadro B) L.Bolsman C) J.Maksvel D) O.Shtern 23 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) ideal gaz B) issiqlik muvozanati C) to’yingan bug’ D) tempratura 24 / 25 1 m ³ suvda necha molekula bor? A) 10⁵ B) 3,3 * 10²⁸ C) 5 * 10²⁵ D) 6 * 10²³ 25 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.? A) Avogadro B) Boyl-Mariott C) Gey – Lyussak D) Sharl’ 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