Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 668 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 2 0 Tomonidan yaratilgan InfoMaster 9-sinf Fizika 4-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 Quvvati 100 vatt bo’lgan yorug’lik manbai 1s ichida 5*1020 ta foton chiqaradi. Nurlanishning to’lqin uzunligini toping(mikrometr) A) 10 B) 2,3 C) 0,99 D) 4,5 2 / 25 Elektromagnit shkalasidagi nurlarning ketma-ketligini to'g’ri ko’rsating. 1) Infraqizil 2) Ko’zga ko’rinadagan 3) Radio 4) Ultrabinafsha 5) Gamma 6) Rentgen nurlari A) 1,2,3,4,5,6 B) 3,1,2,4,6,5 C) 6,5,4,3,2,1 D) 1,3,4,6,5,2 3 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Proyeksion apparat B) Fotoapparat va ko’z C) Lupa D) Fotoapparat 4 / 25 Buyum linzadan 4F masofaga joylashtirilgan. Shu buyumning ekrandagi tasviri uning o’zidan necha marta kichik? A) 3 B) 2 C) 4 D) 1 5 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 15 sm B) 20 sm C) 10 sm D) 25 sm 6 / 25 Elektromagnit to'lqinlar spektri ko’rinadigan qismining to’lqin uzunligi diapazonini ko’rsating (mikrometr) A) Lyambda 0-10 B) Lyambda < 0,4 C) Lyambda 0,4 - 0,75 D) Lyambda > 0,75 7 / 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) Yaqindan ko’rarlik, botiq B) Uzoqdan ko’rarlik, qavariq C) Daltonizm, qavariq D) Ranglarni ajratmaslik, botiq 8 / 25 Buyum yig’uvchi linzadan d > 2F masofada joylashsa, uning tasviri qanday bo’ladi? F- linzaning fokus masofasi A) Kichiklashgan, teskari, haqiqiy B) Kattalashgan, to’g’ri, mavhum C) Kattalashgan, teskari, mavhum D) Kichiklashgan, to’g’ri, mavhum 9 / 25 Muhit nur sindirish ko’rsatkichining yorug’lik to’lqin uzunligiga bog’liq bo’lishiga yorug’lik ... deyiladi? A) Dispersiya B) Sinish C) Interferensiya D) Difraksiya 10 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) PV = mRT/M B) P₁/T₁= P₂/T₂ C) P₂V₁/T₁= P₂V₂/T₂ D) P₁V₁=P₂V₂ 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*10³⁴ 1/ mol D) Avogadro 6*10²³ 1/ mol 12 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) issiqlik muvozanati B) to’yingan bug’ C) ideal gaz D) tempratura 13 / 25 Odam va hayvonlar ichagidan oziqlantiruvchi moddalar qonunga qaysi fizik hodisa tufayli o’tadi A) Broun xarakati B) Diffuziya C) Broun xarakati D) Erish 14 / 25 Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi? A) pT=const B) v=m/M C) p/T=const D) pV=const 15 / 25 Tempraturani o’lchash uchun qanday asbobdan foydalaniladi A) psixrometr B) termometr C) gigrometr D) Barometr 16 / 25 Universal gaz doimiysining qiymati va o'lchov birligini ko'rsating A) R=8,31 J/mol K B) P=3,14 C) K=1,38 J/K D) R=8,31*10³ J/mol K 17 / 25 Diffuziya tezligi nimaga bog’liq A) modda miqdoriga B) Modda tempraturasiga C) modda zichligiga D) tashqi bosimga 18 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning qotish temperaturasi B) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura C) Suvning kritik temperaturasi D) Suvning qaynash temperaturasi 19 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Broun B) Avogadro C) Shtern D) Maksvell 20 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) = F/S B) δ(sigma) = Q/L C) δ (sigma) = F/l D) δ(sigma) =Q/m 21 / 25 Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating A) ν (nyu) = N / Na B) ν (nyu) = 1 / T C) ν (nyu) = m / M D) ν (nyu) = Nm / M 22 / 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 = T₁ T₂ V₁ / P₁ P₂ D) V₂ = P₁ V₁ T ₂ / T₁ P₂ 23 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = V / S B) D = m / V C) D = 2 – R D) D = C / π 24 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) izaxorik B) izotermik C) izobarik D) adibatik 25 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) 123 K B) -423 K C) -123 K D) 423 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