Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 3-chorak Fizika choraklik 9-sinf Fizika 3-chorak InfoMaster May 21, 2021 819 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 Nur havodan suvga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Nurning tushish burchagiga bog’liq B) Ha C) Yo’q D) Suv qatlamining qalinligiga bog’liq 2 / 25 Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating A) υ = λ / ν B) υ = S / t C) c = λ / T D) υ = at 3 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Proyeksion apparat B) Fotoapparat C) Fotoapparat va ko’z D) Lupa 4 / 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 5 / 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) Ranglarni ajratmaslik, botiq B) Daltonizm, qavariq C) Yaqindan ko’rarlik, botiq D) Uzoqdan ko’rarlik, qavariq 6 / 25 4 marta kattalashtirilgan lupaning optik kuchini (dptr) aniqlang. Buyumdan lupagacha bo'lgan masofa 5/16 m ga teng. A) 10 dptr B) 8 dptr C) 16 dptr D) 4 dptr 7 / 25 Diffuziya tezligi nimaga bog’liq A) modda miqdoriga B) modda zichligiga C) Modda tempraturasiga D) tashqi bosimga 8 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Maksvell B) Broun C) Avogadro D) Shtern 9 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) tempratura B) to’yingan bug’ C) issiqlik muvozanati D) ideal gaz 10 / 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) O’zgarmaydi D) 2marta kamayadi 11 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²⁴ 1/ mol B) Avogadro 6*10²⁶ 1/ mol C) Avogadro 6*10²³ 1/ mol D) Avogadro 6*10³⁴ 1/ mol 12 / 25 O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi A) Moy qatlamining qalinligiga bog'liq B) Cheksiz yoyiladi C) Cheksiz yoyilmaydi D) Moy qatlami qalinligi eng kichik zarraning kundalang kesimiga tenglashguncha yoyiladi 13 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) gaz xolat tenglamasi B) tempratura muvozanati C) issiqlik balansi D) issiqlik muvozanati 14 / 25 Tempraturani o’lchash uchun qanday asbobdan foydalaniladi A) psixrometr B) termometr C) gigrometr D) Barometr 15 / 25 Izotermik jarayon uchun termodinamikaning 1-qonuni A) Q=A B) ΔU=-A C) Q= ΔU D) Q= ΔU+A 16 / 25 Selsiy shkalasidagi t temperatura Kelvin shkalasidagi tempratura bilan bog’lanish formulasi …. ? A) T = t + 273 B) T = 273 - t C) T = t- 273 D) T = - t - 273 17 / 25 100 K Selsiy shkalasida nimaga teng A) 373 gradus S B) - 373 gradus S C) 100 gradus S D) -173 gradus S 18 / 25 P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping A) V₂ = P₁ V₁ T ₂ / T₁ P₂ B) V₂ = T₁ T₂ V₁ / P₁ P₂ C) V₂ = T₁ P₂ / P₁ V₁ T₂ D) V₂ = R₁ P₂ V₁/ T₁ T₂ 19 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) izobarik B) izaxorik C) izotermik D) adibatik 20 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²³ 1/ mol B) Avogadro 6*10²⁶ 1/ mol C) Avogadro 6*10³⁴ 1/ mol D) Avogadro 6*10²⁴ 1/ mol 21 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Maksvell B) Avogadro C) Broun D) Shtern 22 / 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 23 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni A) Sharl B) Gey – Lyussak C) Avogadro D) Boyl-Mariott 24 / 25 Termodinamikaning 1-qonuni formulasi A) Q=A+ΔU B) Q=cm Δt C) Q=L m D) Q= l m 25 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) 423 K B) -123 K C) -423 K D) 123 K 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