Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 615 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 Gapni davom ettiring. Moddaning 1 moliga to’g’ri kelgan massani kg (gr)larda ifodalangan qiymatiga ….deyiladi A) nisbiy molekulalar massa B) moda miqdori C) molar massasi D) modda 2 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) issiqlik muvozanati B) tempratura C) ideal gaz D) to’yingan bug’ 3 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = C / π B) D = V / S C) D = m / V D) D = 2 – R 4 / 25 Sabzavotlarni tuzlash qaysi fizik hodisaga asoslangan A) Bug'lanish B) Qaynash C) Bug'lanish va Qaynash D) Diffuziya 5 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura B) Suvning kritik temperaturasi C) Suvning qaynash temperaturasi D) Suvning qotish temperaturasi 6 / 25 Dinamika so‘zining ma’nosi nima A) kuch B) harakat C) mashina D) bo‘lak, parcha 7 / 25 Lazer nurining tarqalish burchagi qancha? A) 1 radian B) 10 -5 radian C) 10 -2 radian D) 10 -10 radian 8 / 25 Qaysi nurlarning zarracha hususiyati ko’proq A) ko’zga ko’rinadigan B) γ-nurlar C) Rentgen D) Ultirabinafsha 9 / 25 Yorug’lik tabiatiga qarashlar: Yorug’lik bu A) Fotonlar oqimi B) Elektromagnit to’lqin C) ham to’lqin, ham zarracha tabiatiga ega D) Mexanik to’lqin 10 / 25 Lazerlarda qanday nurlanish turi qo’llaniladi A) Majburiy nurlanish B) Rentgen nurlari C) Issiqlikdan nurlanish D) Tormozli nurlanish 11 / 25 Yorug’lik ta’sirida kuchlanish hosil qiladigan yarim o'tgazgich A) Diod B) Quyosh batareyasi C) Triod D) Tranzistor 12 / 25 Yorug’lik suvda qanday tezlik (km/s) bilan tarqaladi? Suvning vakuumga nisbatan nur sindirish ko’rsatkichi 1,33 ga teng. A) 150000 B) 225000 C) 200000 D) 300000 13 / 25 Fotoapparatda tasvir hosil bo’ladigan tekislik va ob’ektiv orasidagi masofa l qancha bo’lishi mumkin? F – ob’ektiv fokus masofasi A) l>2F B) l- F C) l=F D) l- f 14 / 25 Fokus masofasi 12 sm bo’lgan qavarik linzaning optik kuchi (dptr) nimaga teng? A) 8,3 B) 1 C) 10 D) 0,1 15 / 25 Buyum linzadan 4F masofaga joylashtirilgan. Shu buyumning ekrandagi tasviri uning o’zidan necha marta kichik? A) 3 B) 2 C) 1 D) 4 16 / 25 Elektromagnit to'lqinlar spektri ko’rinadigan qismining to’lqin uzunligi diapazonini ko’rsating (mikrometr) A) Lyambda 0,4 - 0,75 B) Lyambda 0-10 C) Lyambda > 0,75 D) Lyambda < 0,4 17 / 25 1/F=(n-1)(1/R1+1/R2) formulada n nimani bildiradi? A) Sfera radiuslari nisbati B) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi C) Linzaning absolyut nur sindirish ko’rsatkichi D) Linzaning suvga nisbatan nur sindirish ko’rsatkichi 18 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) Pr = mRT/v B) PV = RT/M C) PV = mRT/M D) Pm = vRT/M 19 / 25 100 K Selsiy shkalasida nimaga teng A) - 373 gradus S B) -173 gradus S C) 373 gradus S D) 100 gradus S 20 / 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 21 / 25 Jismdagi modda miqdori undagi molekulalar sonini Avogadro doimiysi nisbatiga teng. Shu formulani ko'rsating A) ν (nyu) = Nm / M B) ν (nyu) = N / Na C) ν (nyu) = m / M D) ν (nyu) = 1 / T 22 / 25 Sirt taranglik koeffitsiyenti formulasini ko'rsating A) δ(sigma) = Q/L B) δ(sigma) =Q/m C) δ(sigma) = F/S D) δ (sigma) = F/l 23 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) izaxorik B) izobarik C) adibatik D) izotermik 24 / 25 150 gradus S tempratura Kelvin shkalasida nimaga teng A) -123 K B) 123 K C) 423 K D) -423 K 25 / 25 P1 V1 / T1 = P2 V2 / T2 formuladan V2 ifodasini toping A) V₂ = P₁ V₁ T ₂ / T₁ P₂ B) V₂ = R₁ P₂ V₁/ T₁ T₂ C) V₂ = T₁ P₂ / P₁ V₁ T₂ D) V₂ = T₁ T₂ V₁ / P₁ P₂ 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