Latest NDA Aptitude Question SOLUTION: An optician prescribes a power = – 0.5 dioptre. The corresponding lens must be a - (a) convex lens of focal length 2 m (b) convex lens of focal length 50 cm (c) concave lens of f

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(#M40026784) NDA question General Ability Test Keep an EYE

An optician prescribes a power = – 0.5 dioptre. The corresponding lens must be a -
(a) convex lens of focal length 2 m (b) convex lens of focal length 50 cm
(c) concave lens of focal length 2 m (d) concave lens of focal length 50 cm

Asked In NDA MAN (11 years ago)

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