Physics · Ray Optics
किसी लेंस या दर्पण की अभिसारित (converging) या अपसारित (diverging) करने की क्षमता को क्या कहा जाता है?
- 1विकिरण क्षमता (radiant power)
- 2आवर्धन क्षमता (magnifying power)
- 3फोकस दूरी (focal length)
- 4फोकस क्षमता (focal power)✓
सही उत्तर देखें
फोकस क्षमता (focal power)
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