Question

the far point of a myopic eye is at 40cm.for removing this defect, the power of the lence required will be​

Answer 1

Answer:

The nature and power of lens required to correct the defect is -2.5D . Explanation: As given in the question we know that the “v” in this case would be - 40 cm while the “u” that we are talking about would be infinity now we have to put these values in the lens formula and have to find focal length.