Physics · Optics
निम्नलिखित में से कौन सा लेंस किनारों की तुलना में केंद्र में अधिक पतला होता है?
- 1अवतल लेंस (Concave lens)✓
- 2उत्तल लेंस (Convex lens)
- 3समतलोत्तल लेंस (Plano-convex lens)
- 4द्विफोकसी लेंस (Bifocal lens)
सही उत्तर देखें
अवतल लेंस (Concave lens)
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