Surabhi from std. X uses spectacle. The power of the lenses in her spectacle is 0.5D.
Answer the following questions from the given information:
i. Identify the type of lenses used in her spectacle.
ii. Identify the defect of vision Surabhi is suffering from.
iii. Find the focal length of the lenses used in her spectacle.
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The power is positive hence convex lens
Hypermetropia
P=1/F
F=1/P=1/0.5=2m
200 cm
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