Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 576 Ko'rishlar 0 SaqlashSaqlanganOlib tashlandi 2 2 Tomonidan yaratilgan InfoMaster 9-sinf Fizika 4-chorak Testni Vafaqulov Alisher tayyorladi. Ismi familiyangizni kriting: IsmTelefon raqami 1 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²³ 1/ mol B) Avogadro 6*10²⁴ 1/ mol C) Avogadro 6*10³⁴ 1/ mol D) Avogadro 6*10²⁶ 1/ mol 2 / 25 1 m ³ suvda necha molekula bor? A) 10⁵ B) 6 * 10²³ C) 5 * 10²⁵ D) 3,3 * 10²⁸ 3 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = 2 – R B) D = m / V C) D = C / π D) D = V / S 4 / 25 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Shtern B) Maksvell C) Avogadro D) Broun 5 / 25 O’simlik moyi suyuqlik ustida cheksiz yoyila oladimi A) Moy qatlami qalinligi eng kichik zarraning kundalang kesimiga tenglashguncha yoyiladi B) Moy qatlamining qalinligiga bog'liq C) Cheksiz yoyiladi D) Cheksiz yoyilmaydi 6 / 25 Moddalarning issiqlik almashinishi ish natijasida tempraturalari tenglashishiga ......... aytiladi A) issiqlik muvozanati B) gaz xolat tenglamasi C) tempratura muvozanati D) issiqlik balansi 7 / 25 Berilgan tenglamalardan qaysi biri izoxorik jarayonni ifodalaydi? A) p/T=const B) v=m/M C) pV=const D) pT=const 8 / 25 Moddalarnin issiqlik almashinishi natijasida tempraturalarga tenglashishi ...deyiladi A) issiqlik muvozanati B) to’yingan bug’ C) ideal gaz D) tempratura 9 / 25 Universal gaz doimiysining qiymati va o'lchov birligini ko'rsating A) R=8,31 J/mol K B) K=1,38 J/K C) R=8,31*10³ J/mol K D) P=3,14 10 / 25 Normal ko’z uchun eng yaxshi ko’rish masofasi qanchaga teng? A) 10 sm B) 20 sm C) 25 sm D) 15 sm 11 / 25 Ko’z sezgirligi katta. 0,5 mikrometr to’lqin uzunlikdagi quvvati 2*10-17 vatt bo’lgan yorug’likni ko’z zo’riqishsiz qabul qila oladi. Bu holda ko’zning to’r pardasiga har 1sda nechta foton tushib turadi A) 100 B) 200 C) 53 D) 153 12 / 25 Fotoeffekt uchun Eneshteyin formulasini ko’rsating A) E>A B) hv=A+mv²/2 C) E = hc/λ D) E=h v (v-nyu) 13 / 25 Plank doimiysi qiymatini ko’rsating A) 9,8 N/kg B) 6,63*10¯³⁴ Js C) 6,7*10 ¯^11 Nm²/kg² D) 7,9 km/s 14 / 25 Aytilganlardan fotoeffekt hodisasiga asoslangan asboblarni ajrating. 1-fotodiod, 2- quyosh batareyalari, 3-foto tranzistor, 4- optron, 5- rezistor, 6-termobatareya A) 1,6 B) 4,5,6 C) 1,2,3,4,5,6 D) 1,2,3,4 15 / 25 Kavnt energiyasi formulasi ko’rsating. 1. E=h v 2. E=hc/λ, 3. E=A, 4-E>A (v-nyu) (λ - lyambda) A) 1,2 B) 1,2,3 C) 4 D) 2,3,4 16 / 25 Yorug’lik ta’siri moddadan elektronlar ajralishi..... deyiladi A) Elektrlanish B) termoyelektron emissiya C) Magnitlanish D) fotoeffekt 17 / 25 Qaysi nurlarning zarracha hususiyati ko’proq A) Rentgen B) ko’zga ko’rinadigan C) γ-nurlar D) Ultirabinafsha 18 / 25 Azotning molyar massasi 0,028 kg/mol. Azot molekulasining massasi nimaga teng A) 4,6 * 10¯²⁴ g B) 4,6 * 10¯⁴² g C) 56 * 10¯²³ g D) 4,6 * 10¯²³ g 19 / 25 Suv sirtida moy tomchisi yoyilishidan foydalanib, molekula diametrini qaysi formuladan o'lchanishi mumkin A) D = 2 – R B) D = V / S C) D = C / π D) D = m / V 20 / 25 Klapeyron - Mendelev tenglamashini ko’rsating A) PV = mRT/M B) PV = RT/M C) Pr = mRT/v D) Pm = vRT/M 21 / 25 Termodinamikaning 1-qonuni formulasi A) Q=L m B) Q=A+ΔU C) Q=cm Δt D) Q= l m 22 / 25 m= const, V=const bo’lganda P/T =const. Bu ifodalar qaysi qonunga talluqli A) izobarik B) adibatik C) izotermik D) izaxorik 23 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning kritik temperaturasi B) Suvning qotish temperaturasi C) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura D) Suvning qaynash temperaturasi 24 / 25 Izotermik jarayon uchun termodinamikaning 1-qonuni A) Q=A B) Q= ΔU+A C) ΔU=-A D) Q= ΔU 25 / 25 Izoxorik jarayon uchun termodinamikaning 1-qonuni A) ΔU=-A B) Q= ΔU+A C) Q= ΔU D) Q=A 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