Fizika 7- sinf I- chorak i-variant

22. Sirt taranglik koeffitsienti qaysi harf bilan belgilanadi? _______ harfi bilan.
23. Qattiq jism sirtida suyuqlik sirtining egrilanishiga sabab bo`ladigan hodisa ________ yoki _______ deb ataladi.
24. Sirt taranglik kuchi qaysi formla bilan belgilanadi. _____________.
25. Sirt taranglik ta’siri tufayli suyuqlik bilan jism chegarasida __________ yuz beradi.


Fizika 9- sinf I-chorak I-variant Javoblar
1 A 9 C 17 A
2 C 10 C 18 issiqlik uzatish
3 C 11 A 19 real gaz
4 C 12 A 20 xaotik harorat
5 B 13 A 21 molar massa,M
6 A 14 A 22 issiqlik muvozanati
7 A 15 A 23 musbat, ichki energiyasi
8 D 16 A 24 kimyoviy parchalanish reaksiyasi
25 issiq


Fizika 9- sinf I-chorak II-variant Javoblar

1 B 11 B 21 ichki energiyasini

2 A 12 C 22
3 A 13 E 23 ho`llash, ho`llamaslik hodisasi
4 D 14 A 24 F= l
5 B 15 A 25 kapillar hodisalar
6 C 16 A
7. E 17 A
8 B 18 izoxorik jarayon
9 B 19 adiabatik
10 C 20 issiqlik miqdori

Fizika 9-sinf II- chorak I- variant


1. Nima uchun erkin uchayotgan kosmik kemada sachragan suv sharsimon tomchilar shaklida to`planadi?
A)Xavo yo`qligi uchun B) Sirt taranglik mavjud emas
C)Vazinsizlik holatida suv kichik sirtli shaklni, ya’ni shar shaklini egallaydi .
D)A va B javoblar to`g`ri E) to`g`ri javob yo`q
2. Kapillar nayda spirt 55 m balandlikka suv 146 mm balandlikka ko`tarildi spirtning zichligini aniqlang?
A) 800 kg /m <sup>3</sup> B) 810 kg /m <sup>3</sup> C) 900 kg /m <sup>3</sup> D) 910 kg /m <sup>3</sup> E) 950
3.Diametri 0,5 mm bo`lgan kapillar naychada ko`tarilgan suvning massasini toping
A) 11,8 mg B) 12,1 mg C)11,7 mg D) 12 mg E) 13 mg
4.O`z ----------- va ----------------- saqlaydigan jismlar ----------------------- ------------------------- deb ataladi .