Science, asked by shraddhakapoor2526, 10 months ago

एक गोलीय दर्पण की वक्रता त्रिज्या 20 सेमी है इसकी फोकस दूरी क्या होगी

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Answered by kumar361022

5

Answer:

Explanation:please ask your question in english that i can help you

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