Mathematics · Optics - Mirror Formula Numerical
एक वस्तु एक अवतल दर्पण के सामने 12 सेमी की दूरी पर रखी गई है। इसका प्रतिबिंब उसी ओर 18 सेमी की दूरी पर बनता है। दर्पण की फोकस दूरी है:
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 17.2 सेमी
- 2-7.2 सेमी✓
- 336 सेमी
- 4-36 सेमी
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-7.2 सेमी
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