Case-Based-II: Suppose a person is suffering from hypermetropia. The near point of the person is...

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Case-Based-II: Suppose a person is suffering from hypermetropia. The near point of the person is \( 1.5 \mathrm{~m} \). The near point of the normal eye is \( 25 \mathrm{~cm} \).
The focal length of the lens should be
a. \( 10 \mathrm{~cm} \)
b. \( 30 \mathrm{~cm} \)
c. \( 40 \mathrm{~cm} \)
d. \( 50 \mathrm{~cm} \)
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