Uy » Choraklik online testlar » Fizika choraklik » 9-sinf Fizika 4-chorak Fizika choraklik 9-sinf Fizika 4-chorak InfoMaster May 21, 2021 564 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 Molekulalarning xarakat tezliklarini tajribada birinchi bo'lib ....... aniqlanadi A) Shtern B) Avogadro C) Maksvell D) Broun 2 / 25 Selsiy shkalasining nol nuqtasi nimani bildiradi A) Suvning qaynash temperaturasi B) Suvning kritik temperaturasi C) Suvning qotish temperaturasi D) Tabiatda bo’lishi mumkin bo'lgan eng past temperatura 3 / 25 Birinchi bo’lib gaz molekulalarining harakat tezligini kim aniqlagan? A) Avogadro B) J.Maksvel C) O.Shtern D) L.Bolsman 4 / 25 Ideal gaz temperaturasi va konsentratsiyasi 2 marta kamaysa, uning bosimi qanday o'zgaradi A) 2 marta kamayadi B) 4 marta kamayadi C) 4 marta ortadi D) 2 marta ortadi 5 / 25 Metallarni payvandlab ulash qaysi hodisaga asoslangan? A) Molekulalarning atomlardan tashkil topishi B) Molekulalar orasidagi tortitish kuchi C) Broun harakati D) Diffuziya 6 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni.? A) Gey – Lyussak B) Boyl-Mariott C) Sharl’ D) Avogadro 7 / 25 1 m ³ suvda necha molekula bor? A) 5 * 10²⁵ B) 10⁵ C) 3,3 * 10²⁸ D) 6 * 10²³ 8 / 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>2F D) l- F 9 / 25 4 marta kattalashtirilgan lupaning optik kuchini (dptr) aniqlang. Buyumdan lupagacha bo'lgan masofa 5/16 m ga teng. A) 8 dptr B) 4 dptr C) 16 dptr D) 10 dptr 10 / 25 1/F=(n-1)(1/R1+1/R2) formulada n nimani bildiradi? A) Atrof-muxitning linzaga nisbatan nur sindirish ko’rsatkichi B) Linzaning suvga nisbatan nur sindirish ko’rsatkichi C) Linzaning absolyut nur sindirish ko’rsatkichi D) Sfera radiuslari nisbati 11 / 25 Fokus masofasi F, buyumdan linzagacha masofa d, linzadan tasvirgacha masofa f bo’lsa, d>2F, F A) Proyeksion apparat B) Lupa C) Fotoapparat D) Fotoapparat va ko’z 12 / 25 Nur havodan suvga tushmoqda. Bunda to’la ichki qaytish hodisasini kuzatish mumkinmi? A) Ha B) Suv qatlamining qalinligiga bog’liq C) Yo’q D) Nurning tushish burchagiga bog’liq 13 / 25 Yorug’lik tezligining to’lqin uzunligiga va tebranish davriga bog’liqlik formulasini ko’rsating A) c = λ / T B) υ = at C) υ = S / t D) υ = λ / ν 14 / 25 Izotermik jarayon uchun termodinamikaning 1-qonuni A) Q= ΔU+A B) ΔU=-A C) Q=A D) Q= ΔU 15 / 25 O’zgarmas temperaturada berilgan massali gaz hajmining unga mos kelgan bosimiga ko’paytmasi o’zgarmas kattalik . Bu qonun ……….. qonuni A) Avogadro B) Boyl-Mariott C) Gey – Lyussak D) Sharl 16 / 25 100 K Selsiy shkalasida nimaga teng A) 373 gradus S B) 100 gradus S C) - 373 gradus S D) -173 gradus S 17 / 25 Moddaning bir moldagi atomlar yoki molekulalar soni ........ doimiysi deb ataladi, va uning qiymati ....? A) Avogadro 6*10²⁴ 1/ mol B) Avogadro 6*10³⁴ 1/ mol C) Avogadro 6*10²⁶ 1/ mol D) Avogadro 6*10²³ 1/ mol 18 / 25 Izoxorik jarayon uchun termodinamikaning 1-qonuni A) Q=A B) Q= ΔU+A C) Q= ΔU D) ΔU=-A 19 / 25 Havodagi suv bug’larining to'yingan holda o'tadigan tempraturasi …………. deyiladi A) absolyut tempraturasi B) bug’lanish tempraturasi C) shudring tempraturasi D) qaynash tempraturasi 20 / 25 Fotoeffekt uchun Eneshteyin formulasini ko’rsating A) E>A B) E = hc/λ C) E=h v (v-nyu) D) hv=A+mv²/2 21 / 25 Plank doimiysi qiymatini ko’rsating A) 9,8 N/kg B) 6,7*10 ¯^11 Nm²/kg² C) 6,63*10¯³⁴ Js D) 7,9 km/s 22 / 25 Yorug’lik ta’sirida kuchlanish hosil qiladigan yarim o'tgazgich A) Diod B) Quyosh batareyasi C) Triod D) Tranzistor 23 / 25 Yorug’lik ta’siri moddadan elektronlar ajralishi..... deyiladi A) Magnitlanish B) termoyelektron emissiya C) fotoeffekt D) Elektrlanish 24 / 25 Qaysi nurlarning zarracha hususiyati kamroq A) γ-nurlar B) Ultirabinafsha C) Rentgen D) Ko’zga ko'rinadigan 25 / 25 Ftoeffekt hodisasi vujudga kelish uchun moddaga tushgan yorug’ to'lqin uzunligining minimal qiymatiga ....... deyilad A) Fotoemissiya to’lqin uzunligi B) Nurlanish to’lqin uzunligi C) Kvantning to’lqin uzunligi D) Fotoeffektning qizil chegarasi 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