Question

The near point of a patient's eye is 50.0 cm (a) What focal length must a corrective lens have to enable the eye to see clearly an object 25.0 cm away if the corrective lens is 2.00 cm in front of the eye? (b) What is the power of this lens?​

Answer 1

Answer:

Hence, u=−25cm and v=−50cm. Hence the focal length of the corrective lens required will be 0.5m and the power will be 2D.

Explanation:

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Answer 2

Explanation:

Hence, u=−25cm and v=−50cm. Hence the focal length of the corrective lens required will be 0.5m and the power will be 2D.