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The Near Point of the Eye of a Person is 50 Cm. Find the Nature and Power of the Corrective Lens Required by the Person to Enable Him to See Clearly the Objects Placed at 25 Cm from the Eye? - Science

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Sum

The near point of the eye of a person is 50 cm. Find the nature and power of the corrective lens required by the person to enable him to see clearly the objects placed at 25 cm from the eye?

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Solution

Since the near point of the eye is 50 cm which is greater than 25 cm, the person is suffering from hypermetropia. 

Object distance `(u)` = -25cm
Image distance `(v)` = -50cm

Using lens formula

Concept: Eye Defect and Its Correction: Myopia Or Near-sightedness
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