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9-A sinf 9.12

Authored by Azamat Yuldoshev

Physics

9th Grade

Used 1+ times

9-A sinf 9.12
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15 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Bosh optiq o’qlari umumiy, fokus masofalari mos ravishda f1, f2 bo’lgan X va Y botiq ko’zgulardan hosil qilingan optik sistema tushgan Ι yorug’lik nuri rasmda ko’rsatilgan yo’l bo’ylab harakatlanmoqda. Bunga asosan, f1/f2 nisbat nimaga teng?

(Nuqtalar orasidagi masofalar teng.)

2/3

3/4

1

4/3

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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X qavariq ko’zgu va Y botiq ko’zguning bosh optik o’qlari ustma-ust tushadigan qilib joylashtirilgan. X ko’zguga tushayotgan Ι yorug’lik nuri ko’zgulardan qaytganidan keyin kelgan yo’lidan orqaga qaytadi. Bunga aosan, quyidagilardan qaysilari to’g’ri?

X ko’zguning fokus nuqtasi K nuqtada.

Y ko’zguning fokus nuqtasi P nuqtada.

X ko’zguning fokus masofasi Y nikiga teng.

X ko’zguning fokus nuqtasi N nuqtada.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

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Fokus masofalari teng va f bo’lgan qavariq linza va botiq linza bosh optik o’qlari ustma-ust tushadigan qilib joylashtirilgan. Bunga asosan, sistemaga rasmda ko’rsatilgandek tushayotgan monoxromatik I yorug’lik nuri sinishlardan keyin qaysi yo’l bo’ylab tarqaladi?

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4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Nurning yo‘li qaysi rasmda to‘g‘ri ko‘rsatilgan?

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5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Buyum fokus masofasi 12 cm bo‘lgan linzadan 16 cm uzoqlikda qo‘yildi. Linzaning kattalashtirishi qanday?

3

4

5

6

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Buyum yig‘uvchi linzadan d=nF masofada joylashgan bo‘lsa, linza bilan tasvir orasidagi masofa qanday bo‘ladi?

𝑛𝐹/(𝑛−1).

𝐹(𝑛+1)/𝑛.

𝐹/𝑛.

𝐹/(𝑛+1).

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Buyumning to‘g‘ri tasviri hosil bo‘lishi uchun buyum optik kuchi 2 D bo‘lgan yig‘uvchi linzadan ko‘pi bilan necha metr masofada bo‘lishi kerak?

<0.4

>0.4

>5

<0.5

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