9-sinf Fizika 3-chorak May 21, 2021May 21, 2021 da chop etilgan InfoMaster tomonidan 9-sinf Fizika 3-chorak ga fikr bildirilmagan. 126 9-sinf Fizika 3-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 Fokus masofasi 12 sm bo’lgan qavarik linzaning optik kuchi (dptr) nimaga teng? A) 0,1 B) 10 C) 1 D) 8,3 2 / 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 3 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 15 sm B) 20 sm C) 25 sm D) 10 sm 4 / 25 Bu nuqsonda ko’z gavhari nurlarni to’r parda orqasiga to’playdi. Nuqsonning nomini ayting. Bunday odamlar qanday linzadan yasalgan ko’zoynak taqadi? A) Uzoqdan ko’rarlik, qavariq B) Ranglarni ajratmaslik, botiq C) Daltonizm, qavariq D) Yaqindan ko’rarlik, botiq 5 / 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 fokus masofasini B) Ko’zning eng yaxshi ko’rish masofasini C) Nuqsonni ko’z uchun ko’zoynak optik kuchini D) Linzaning optik kuchini 6 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Fotoapparat B) Proyeksion apparat C) Lupa D) Fotoapparat va ko’z 7 / 25 Buyum linzadan 4F masofaga joylashtirilgan. Shu buyumning ekrandagi tasviri uning o’zidan necha marta kichik? A) 2 B) 1 C) 3 D) 4 8 / 25 Muhit nur sindirish ko’rsatkichining yorug’lik to’lqin uzunligiga bog’liq bo’lishiga yorug’lik ... deyiladi? A) Sinish B) Dispersiya C) Difraksiya D) Interferensiya 9 / 25 Yorug’likning vakuumdagi tezligi (m/s) A) 300 000 000 B) 30 000 C) 3 000 D) 200 000 000 10 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) to’yingan bug’ B) tempratura C) ideal gaz D) issiqlik muvozanati 11 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) PV = mRT/M B) P₁/T₁= P₂/T₂ C) P₂V₁/T₁= P₂V₂/T₂ D) P₁V₁=P₂V₂ 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 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning qaynash temperaturasi B) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura C) Suvning kritik temperaturasi D) Suvning qotish temperaturasi 14 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10³⁴ 1/ mol B) Avogadro 6*10²³ 1/ mol C) Avogadro 6*10²⁶ 1/ mol D) Avogadro 6*10²⁴ 1/ mol 15 / 25 P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping A) V₂ = T₁ P₂ / P₁ V₁ T₂ B) V₂ = R₁ P₂ V₁/ T₁ T₂ C) V₂ = P₁ V₁ T ₂ / T₁ P₂ D) V₂ = T₁ T₂ V₁ / P₁ P₂ 16 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) = Q/L B) δ (sigma) = F/l C) δ(sigma) =Q/m D) δ(sigma) = F/S 17 / 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 18 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 2 marta ortadi B) 2 marta kamayadi C) 4 marta ortadi D) 4 marta kamayadi 19 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) Pm = vRT/M B) PV = mRT/M C) Pr = mRT/v D) PV = RT/M 20 / 25 Gazning o’zgarmas hajmida sodir bo'ladigan bir holatdan boshqa holatga o'tish jarayoni ……. jarayon deyiladi A) izoxorik B) izobarik C) adibatik D) izotermik 21 / 25 Termodinamikaning 1-qonuni formulasi A) Q=A+ΔU B) Q=cm Δt C) Q=L m D) Q= l m 22 / 25 Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating A) ν (nyu) = m / M B) ν (nyu) = N / Na C) ν (nyu) = Nm / M D) ν (nyu) = 1 / T 23 / 25 Izoxorik jarayon uchun termodinamikaning 1-qonuni A) Q= ΔU+A B) Q=A C) ΔU=-A D) Q= ΔU 24 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = V / S B) D = C / π C) D = 2 – R D) D = m / V 25 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) izaxorik B) izotermik C) adibatik D) izobarik 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