Fizika fanidan laboratoriya va nazorat ishi daftarchasi. 2018 -2019 o’quv yili

18. Yuzi 5 sm2 bo‘lgan sirtga 0,02 lm yorug‘lik oqimi perpendikular

tushmoqda. Sirtning yoritilganligi qancha? A) 20 lx; B) 30 lx; C) 40 lx; D) 50 lx.

19. Qizil rang bilan zangori rang qo‘shilganda qanday rang hosil

bo‘ladi? A) qoramtir; B) sariq; C) havorang; D) ko‘k.

20. Qizil va yashil rang qo‘shilganda qanday rang hosil bo‘ladi?

A) qoramtir; B) sariq; C) havorang; D) ko‘k.

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11-sinf

Nazorat ishi №7

Nazorat shakli: Yozma ish.

I-Guruh
1. Fotoelektrik effect. Fotonlar.

2.Lazer va ularning turlari.

3.Atom yadrosining tarkibi.
II-Guruh
1.Kvant fizikasining paydo bo’lishi.

2.Fotonning impulsi. Fotoeffiktning texnikada qo’llanishi.

3. Bog’lanish energiyasi. Massa deffekti.

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11-sinf

Nazorat ishi №8

Nazorat shakli: Test o’tkazish
1. Tomson atomning tuzilishi haqidagi birinchi modelni nechanchi yilda

taklif qilgan? A) 1903-yilda; B) 1905-yilda; C) 1907-yilda; D) 1909-yilda.

2. R idberg doimiysi qaysi javobda to‘g‘ri ko‘rsatilgan?

A) R = 1,097·107 m–1; B) R = 3,1·107 m–1; C) R = 0,97·1015 m–1; D) R = 6,0·1012 m–1.

3. L azer deganda, … tushuniladi? A) juda aniq yo‘naltirilgan kogerent yorug‘lik nurining manbayi;

B) kogerent bo‘lmagan yorug‘lik nurini; C) oddiy yorug‘lik nurini;

D) quyoshdan keladigan har xil nurlarni.

4. Gapni to‘ldiring. Atom yadrosi – … tashkil topgan. A) proton va neytronlardan; B) proton va elektronlardan; C) proton va nuklonlardan; D) kichik zarralardan.

5. R adioaktivlik nechanchi yilda kim tomonidan kashf qilingan? A) 1903-yilda ingliz fizigi J. J. Tomson; B) 1911-yilda ingliz fizigi D. Rezerford; C) 1896-yilda Fransuz fizigi A. Bekkerel;

D) 1900-yilda nemis fizigi V. Geyzenberg.

6. Qaysi elementar zarra birinchi kashf qilingan? A) Proton; B) Elektron; C) Neytron; D) Foton.

7. Uran yadrosi tarkibini aniqlang. A) 92 ta proton, 238 ta neytron; B) 92 t a neytron, 146 t a proton; C) 92 ta proton, 146 ta neytron; D) 238 t a proton, 92 t a neytron.

8. Erkin neytronning proton, pozitron va antineytrinoga bo‘linishiga qanday saqlanish qonuni yo‘l qo‘ymaydi? A) massaning saqlanish qonuni; B) zaryadning saqlanish qonuni;

C) energiyaning saqlanish qonuni; D) impulsning saqlanish qonuni.

9. Proton qanday kvarklardan tashkil topgan? A) u, u, d; B) u, d, d; C) u, d, c; D) d, c, s.

10. Qanday zarralarga antizarralar deyiladi? A) massalari teng, lekin zaryadi qaram-qarshi bo‘lgan zarralar; B) massalar zaryadlari bir xil, lekin spini turlicha bo‘lgan zarralar;

C) Yadrosi manfiy, qobogi musbat zarralardan tashkil topgan atomlar; D) To‘la, ta’rif keltirilmagan.

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