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Hey
--> Object position = 75cm = 0.75 m
--> Image position = 25cm =0.25m
Note :-> Near point of a normal eye = 25cm
We have :->
--> P = ( 1/f ) = ( 1 / v ) - ( 1 / u ) = 4 - 4/3 = 8/3 D
=> P = + 2.67 D ✓✓
We take near point as Object distance because we want that point to act as if it is at the normal near point ✓✓
Hope it helps ^_^
--> Object position = 75cm = 0.75 m
--> Image position = 25cm =0.25m
Note :-> Near point of a normal eye = 25cm
We have :->
--> P = ( 1/f ) = ( 1 / v ) - ( 1 / u ) = 4 - 4/3 = 8/3 D
=> P = + 2.67 D ✓✓
We take near point as Object distance because we want that point to act as if it is at the normal near point ✓✓
Hope it helps ^_^
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