Physics · Human Eye and Colorful World
जरा दृष्टिदोष (Presbyopia) के निवारण के लिए किस लेंस का उपयोग किया जाता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1अवल लेंस (Concave lens)
- 2उत्तल लेंस (Convex lens)
- 3बेलनाकार लेंस (Cylindrical lens)
- 4द्विफोक्सी लेंस (Bifocal lens)✓
सही उत्तर देखें
द्विफोक्सी लेंस (Bifocal lens)
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