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 Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating A) υ = at B) υ = S / t C) c = λ / T D) υ = λ / ν 2 / 25 Muhit nur sindirish ko’rsatkichining yorug’lik to’lqin uzunligiga bog’liq bo’lishiga yorug’lik ... deyiladi? A) Interferensiya B) Dispersiya C) Sinish D) Difraksiya 3 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Proyeksion apparat B) Lupa C) Fotoapparat D) Fotoapparat va ko’z 4 / 25 D = 1 / L0 - 1 / d1 formula yordamida nima aniqlanadi? L0- sog’ ko'zning yaxshi ko'rish masofasi, d1- nuqsonli ko’zning yaxshi ko’rish masofasi A) Linzaning optik kuchini B) Linzaning fokus masofasini C) Ko’zning eng yaxshi ko’rish masofasini D) Nuqsonni ko’z uchun ko’zoynak optik kuchini 5 / 25 Fotoapparatda tasvir hosil bo’ladigan tekislik va ob’ektiv orasidagi masofa l qancha bo’lishi mumkin? F – ob’ektiv fokus masofasi A) l- F B) l=F C) l- f D) l>2F 6 / 25 Nur havodan suvga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Suv qatlamining qalinligiga bog’liq B) Nurning tushish burchagiga bog’liq C) Ha D) Yo’q 7 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 15 sm B) 20 sm C) 25 sm D) 10 sm 8 / 25 Gazning o’zgarmas hajmida sodir bo'ladigan bir holatdan boshqa holatga o'tish jarayoni ……. jarayon deyiladi A) izobarik B) izoxorik C) izotermik D) adibatik 9 / 25 Azotning molyar massasi 0,028 kg/mol. Azot molekulasining massasi nimaga teng A) 56 * 10¯²³ g B) 4,6 * 10¯²⁴ g C) 4,6 * 10¯⁴² g D) 4,6 * 10¯²³ g 10 / 25 Izoxorik jarayon uchun termodinamikaning 1-qonuni A) Q= ΔU+A B) ΔU=-A C) Q= ΔU D) Q=A 11 / 25 Izotermik jarayon uchun termodinamikaning 1-qonuni A) Q=A B) Q= ΔU C) ΔU=-A D) Q= ΔU+A 12 / 25 1 m³ suvda necha molekula bor? A) 6 * 10²³ B) 3,3 * 10²⁸ C) 10⁵ D) 5 * 10²⁵ 13 / 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 14 / 25 100 K Selsiy shkalasida nimaga teng A) 100 gradus S B) - 373 gradus S C) -173 gradus S D) 373 gradus S 15 / 25 Havodagi suv bug’larining to'yingan holda o'tadigan tempraturasi …………. deyiladi A) shudring tempraturasi B) qaynash tempraturasi C) absolyut tempraturasi D) bug’lanish tempraturasi 16 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) P₁V₁=P₂V₂ B) P₁/T₁= P₂/T₂ C) P₂V₁/T₁= P₂V₂/T₂ D) PV = mRT/M 17 / 25 O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi A) Cheksiz yoyilmaydi B) Moy qatlamining qalinligiga bog'liq C) Moy qatlami qalinligi eng kichik zarraning kundalang kesimiga tenglashguncha yoyiladi D) Cheksiz yoyiladi 18 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.? A) Gey – Lyussak B) Avogadro C) Sharl’ D) Boyl-Mariott 19 / 25 Tempraturani o’lchash uchun qanday asbobdan foydalaniladi A) psixrometr B) Barometr C) gigrometr D) termometr 20 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) ideal gaz B) tempratura C) issiqlik muvozanati D) to’yingan bug’ 21 / 25 Ideal gaz haroratining 2marta ko’tarilishi hajm birligidagi molekulalar sonining 2marta kamayishiga olib kelagan bo’lsa, uning bosimi qanday o’zgaradi A) 4marta ortadi B) 5marta kamayadi C) 2marta kamayadi D) O’zgarmaydi 22 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Shtern B) Avogadro C) Broun D) Maksvell 23 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 4 marta kamayadi B) 2 marta kamayadi C) 2 marta ortadi D) 4 marta ortadi 24 / 25 Dinamika so‘zining ma’nosi nima A) harakat B) kuch C) bo‘lak, parcha D) mashina 25 / 25 Quyidagi keltirilgan formulalardan Mendelev Klapeyron tenglamasini ko’rsating A) pV=T/=const B) p=2/3 nEk C) pV=m/MRT D) pV=RT 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