nursing AIIMS BSc Nursing 2025 Mock Test Series General Science Physics Optics

A student has an eye-power of -0.5D. What is the focal length and type of lens of spectacles that she should use for correcting this defect?

1

2.0 m, convex lens

2

-2.5 m, concave lens

3

2.5 m, convex lens

4

-2.0 m, concave lens

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