Question on: JAMB Physics - 2020
Which of the following statements about defects of vision is/are CORRECT?
I. For a long sighted person, close objects appear blurred
II. For a short sighted person, distant objects appear blurred
III. Short sight is corrected by using a pair of converging lenses
A
I only
B
II only
C
I and II only
D
II and III only
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Correct Option: C
Here's a breakdown of why the correct answer is D:
- I. For a long-sighted person, close objects appear blurred: This statement is correct. Long-sightedness (hyperopia) means the eye cannot focus on close objects properly.
- II. For a short-sighted person, distant objects appear blurred: This statement is also correct. Short-sightedness (myopia) means the eye cannot focus on distant objects clearly.
- III. Short sight is corrected by using a pair of converging lenses: This statement is also correct. Short sight (myopia) is corrected using diverging lenses, not converging lenses.
Therefore, the correct statements are II and III.
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