Physics · Ray Optics
निम्नलिखित में से किसका उपयोग आवर्धक कांच (Magnifying glass) के रूप में किया जाता है?
- 1द्विफोकसी लेंस (Bifocal lens)
- 2अवतल लेंस (Concave lens)
- 3बेलनाकार लेंस (Cylindrical lens)
- 4उत्तल लेंस (Convex lens)✓
सही उत्तर देखें
उत्तल लेंस (Convex lens)
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