Science, asked by sunnyhundal840, 2 months ago

एक अवतल दर्पण की वक्रता त्रिज्या 40 सेमी है इस अवतल दर्पण की फोकस दूरी ज्ञात करो

Answers

Answered by rajnipandey423

0

Answer:

i dont know pls ASK IN HINDI

Explanation:

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