Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 847 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 4 0 Tomonidan yaratilgan InfoMaster 9-sinf Fizika 4-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Avogadro B) Maksvell C) Broun D) Shtern 2 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning kritik temperaturasi B) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura C) Suvning qotish temperaturasi D) Suvning qaynash temperaturasi 3 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) J.Maksvel B) L.Bolsman C) Avogadro D) O.Shtern 4 / 25 Metallarni payvandlab ulash qaysi hodisaga asoslangan? A) Molekulalarning atomlardan tashkil topishi B) Molekulalar orasidagi tortitish kuchi C) Diffuziya D) Broun harakati 5 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) ideal gaz B) to’yingan bug’ C) issiqlik muvozanati D) tempratura 6 / 25 O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi A) Moy qatlami qalinligi eng kichik zarraning kundalang kesimiga tenglashguncha yoyiladi B) Cheksiz yoyiladi C) Cheksiz yoyilmaydi D) Moy qatlamining qalinligiga bog'liq 7 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) issiqlik muvozanati B) tempratura muvozanati C) issiqlik balansi D) gaz xolat tenglamasi 8 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) pV=T/=const B) pV=RT C) p=2/3 nEk D) pV=m/MRT 9 / 25 Odam va hayvonlar ichagidan oziqlantiruvchi moddalar qonunga qaysi fizik hodisa tufayli o’tadi A) Broun xarakati B) Broun xarakati C) Diffuziya D) Erish 10 / 25 Aytilganlardan fotoeffekt hodisasiga asoslangan asboblarni ajrating. 1-fotodiod, 2- quyosh batareyalari, 3-foto tranzistor, 4- optron, 5- rezistor, 6-termobatareya A) 1,2,3,4,5,6 B) 1,6 C) 4,5,6 D) 1,2,3,4 11 / 25 Qaysi nurlarning zarracha hususiyati ko’proq A) Rentgen B) ko’zga ko’rinadigan C) Ultirabinafsha D) γ-nurlar 12 / 25 Rentgen turibkasining rentgen spektridangi eng "Qattiq" nurlarining chastotasi 1019 gers bo'lsa bu turibka qanday kuchlanish ostida ishlayotgan bo'ladi. h=6.62*10-34 Js e=1.6*10-19 c A) 140 kV B) 40 kV C) 100 kV D) 200 kV 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) 4 C) 1,2 D) 1,2,3 14 / 25 Fotoeffektning"Qizil chegarasi"ni topish formulasini ko’rsating. (v-nyu) (λ - lyambda) A) L=c/v B) E=hc/λ C) E=hv D) λ=A/h 15 / 25 Yorug’lik ta’sirida kuchlanish hosil qiladigan yarim o'tgazgich A) Quyosh batareyasi B) Triod C) Diod D) Tranzistor 16 / 25 Qaysi nurlarning zarracha hususiyati kamroq A) Ko’zga ko'rinadigan B) Ultirabinafsha C) γ-nurlar D) Rentgen 17 / 25 Buyum linzadan 4F masofaga joylashtirilgan. Shu buyumning ekrandagi tasviri uning o’zidan necha marta kichik? A) 3 B) 2 C) 4 D) 1 18 / 25 4 marta kattalashtirilgan lupaning optik kuchini (dptr) aniqlang. Buyumdan lupagacha bo'lgan masofa 5/16 m ga teng. A) 8 dptr B) 10 dptr C) 4 dptr D) 16 dptr 19 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 20 sm B) 10 sm C) 15 sm D) 25 sm 20 / 25 Nur havodan suvga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Yo’q B) Ha C) Suv qatlamining qalinligiga bog’liq D) Nurning tushish burchagiga bog’liq 21 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²⁶ 1/ mol B) Avogadro 6*10²³ 1/ mol C) Avogadro 6*10³⁴ 1/ mol D) Avogadro 6*10²⁴ 1/ mol 22 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) 123 K B) -123 K C) -423 K D) 423 K 23 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) adibatik B) izaxorik C) izotermik D) izobarik 24 / 25 100 K Selsiy shkalasida nimaga teng A) -173 gradus S B) 100 gradus S C) 373 gradus S D) - 373 gradus S 25 / 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 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