Science, asked by sainihimanshi734, 4 days ago

5) एक उत्तल दर्पण की फोकस दूरी 20 सेमी0 है। उसकी वकता त्रिज्या क्या होगी।

Answers

Answered by gopalprasad45659

0

फोकस दूरी (f)=20cm तथा वकता

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