A boy cannot see any object at distance beyond 60 cm due his eye defect. What is the power of the lens required to see distant objects beyond that distance ?
1.A boy cannot see any object at distance beyond 60 cm due his eye defect. What is the power of the lens required to see distant objects beyond that distance ?
A boy cannot see any object at distance beyond 60 cm due his eye defect. What is the power of the lens required to see distant objects beyond that distance ? | Suva Ai
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