8-sinf ona-til va adabiyot

9-sinf ucnun fizikadan test savollari.
1.Modda massasi saqlanib qoladigan eng kichik zarraga nima deyiladi?

a)molekula b) atom c) proton d)yadro

2.Modda miqdorini ifodalavchi tenglamani belgilang?

a)V=1/T b)V=m/M c)N=N_A.m d)M=m₀V

3.1 mol moddaning shunday miqdoriki unda……. ta molukula yoki atom bo`ladi?

a)8,31 b)10⁵ c) 6.023.10²³ d) 6.10^-23

4. 20⁰C Kelvin shkalasida nechaga teng bo`ladi?

a)20 K b) 40 K c)293 K d) 300 K

5.Gaz molekulalarining harakat tezligini kim aniqlagan?

a)O.Ryomer b) O.Shtern c) Rezerford d) Nyuton

6.Ichki energiyani ifodaluvchi tenglamani belgilang?

a)U= дA b)U=Q+Да c)U=3/2 kT d) U=2/3kT

7.Issiqlik miqdorini ifodalovchi tenglamani belgilang?

a)Q=r m² b)Q=cm(t₂⁰ –t₁⁰) c) Q=U+дA d) Q=O_-

8.Suvning solishtirma issiqlik sig`imi nechaga teng J/kg*⁰C

a)420 b)42 c) 42000 d)4200

9.Ideal gaz holatining tenglamasini belgilang?

a)P/T=const b) T=const c) PV=m/M RT d)T=m/M P

10.Gazlarning universal doimiysi nechaga teng?

a)1,38 b)8,31 c)831 d)138

11.Agar gaz temperaturasi 4 marta, bosimi 3marta ortsa, hajm birligidagi molekulalar soni qanday o`zgaradi?

a)2 marta oshadi b)0,2 marta oshadi c) 1,3 marta kamayadi d) 2 marta kamayadi

12.Ideal gaz holatini ifodalovchi parametrlarning biri o`zgarmasdan qoladigan jarayon deyiladi?

a)izojarayon b) gaz holati c) gaz doimiysi d)T.J.Y

13.Izoxorik jarayonni ifodalovch tenglamani belgilang?

a)P/T=const b) V/T=const s)P*V=const d)P*T=const

14.Izobarik jaroyonda qanday parametr o`zgarmaydi?

a)P=const b)V=const c)T=const d)P*V=const

15.Izotermik jarayonni ifodalovchi tenglamani belgilang?

a)P/T=const b) V/T=const c)P*V=const d)P*T=const

16.Sistemaga berilgan issiqlik miqdori uning ichki energiyasini o`zgartirishga va ish bajarishga sarflanadigan. Bu qanday qonun?

a) Termodinamikaning 1-qonuni b)Termodinamikaning 2-qonuni

c) Avogadro qonuni d) Elektroliz qonuni

17.Ingichka naylardan suyuqlik ustinining ko`tarilishi . . . deyiladi?

a) sirt taranglik kuchi b) sirt taranglik koeffitsiyenti

c) suyuqlikning kapillarda ko’tarilishi d) diffuziya

18. Qattiq jismlar qanday turlarga bo`linadi?

19. Tashqi muhit bilan issiqlik almashinmasdan boradigan jarayon qanday jarayon deyiladi?

20. Qanday jarayonda gaz ish bajarmaydi?

21. Molekulyar kinetik nazaryaning asosiy tenglamasini yozing?

22. Issiqlik o`tkazuvchanligi eng past bo`lgan moddani yozing?

23. 1 dona suv molekulasida nechta atom bor?

24. 1 mol ideal gaz uchun holat tenglamasini yozing?

25. Avagadro soni nechaga teng?