Navoiy shahar 10-umumiy o’rta ta’lim maktabi 6- “ ” sinf o’quvchisi ning

Savollar:

1. 
   Tushish burchagi va qaytish burchagi o’zaro qanday munosabatda bo’ladi?
   
2. 
   Qaytayotgan nur tushgan nurga nisbatan qanday joylashadi? Bir tekislikdami yoki ixtiyoriy tekislikdami?
   

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