Mathematics · Numerical Calculation
एक अवतल लेंस की फोकस दूरी -2 cm है। इसकी क्षमता (पॉवर) क्या है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 10.5 D
- 2-50 D✓
- 325 D
- 4-0.5 D
सही उत्तर देखें
-50 D
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