The near point of a patient’s eye is 50.0 cm. What power (in diopters) must a corrective lens have t

JAMB Physics 2023 53 views

The near point of a patient’s eye is 50.0 cm. What power (in diopters) must a corrective lens have to enable the eye to see clearly an object 25.0 cm away?

  1. 0.5 diopters
  2. 2.5 diopters
  3. 3 diopters
  4. 2 diopters ✓

Explanation

This physics concept involves analyzing the given values and applying relevant formulas. Work through the problem step by step using known equations and constants.

Identify what quantity needs to be found and which formula connects the given information to the answer. Substitute the values carefully, paying attention to units.

Check that your calculated answer matches one of the options provided. Understanding the underlying principle helps verify the solution makes physical sense.

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