Work, Power and EnergyHard
Question
The near point of a person is at 1m. The power of the lens needed so that he can read at a distance of 25 cm.
Options
A.1D
B.2D
C.3D
D.-3D
Solution
v = - 100 & u = - 25
P =
= - 1 + 4 = + 3D
P =
= - 1 + 4 = + 3DCreate a free account to view solution
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