Physics, asked by anujbrala, 9 months ago

एक अवतल दर्पण के सामने एक वस्तु फोकस cd1 दूरी पर रखी गई है और वास्तविक प्रतिबंध d2 दूरी पर बनता है तो दर्पण की फोकस लंबाई क्या है

Answers

Answered by dadakale121

0

Answer:

cd1. d2. .................................................

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