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दंतचिकित्सक दाँत देखने के लिए छोटे अवतल दर्पण का प्रयोग करते हैं। यदि 3 सेमी फोकस लम्बाई का एक दर्पण दाँत से 2 सेमी की एक दूरी पर रखा गया हो, तो प्रतिबिंब का आवर्धन क्या है?

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दंतचिकित्सक दाँत देखने के लिए छोटे अवतल दर्पण का प्रयोग करते हैं। यदि 3 सेमी फोकस लम्बाई का एक दर्पण दाँत से 2 सेमी की एक दूरी पर रखा गया हो, तो प्रतिबिंब का आवर्धन क्या है?






 
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