optika

optika. 1. toshkent teleminorasi soyasining uzunligi 50 m, balandligi 7,5 m bo’lgan simyog’och soyasining uzunligi esa 1 m bo’lsa, teleminoraning balandligi topilsin (m). a) 125 b) 245 c) 375 d) 485 2. to’liq tutilgan quyosh diametrining ko’rinish burchagi 0,50 bo’lgan. agar yerdan quyoshgacha bo’lgan masofa 150 mln km bo’lsa, quyoshning diametri topilsin (mln km). a) 0,7 b) 0,9 c) 1,3 d) 1,8 3. ancha uzoqda turgan, balandligi 7 m bo’lgan simyog’ochning ko’rinish burchagi 20 bo’lsa, simyog’ochgacha bo’lgan masofani toping (m). a) 124 b) 180 c) 200 d) 320 4. oy diametrining ko’rinish burchagi 0,50, yerdan oygacha bo’lgan masofa esa 3,84·108 m bo’lsa, oyning diametrini toping (m). a) 1,92·108 b) 2,6·108 c) 3,1·108 d) 3,35·108 5. quyosh yoritib turgan chinor soyasining …

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