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Lens Power
Questions (2)
when two lenses of focal length +10cm and -5cm are placed in contact then find the net power ?
4 answers
asked by
Raj Mohan Jha
1,222 views
A farsighted man has a near point of 50 cm. What power lens should he use as a magnifier to see clearly at a distance of 15cm
2 answers
asked by
josh
868 views
Parent Categories (2)
Optics
Vision Correction
