Geometrical OpticsEasy
Question
A long sighted person has a minimum distance of distinct vision of 50 cm. He wants to reduce it to 25 cm. He should use a -
Options
A.Concave lens of focal length 50 cm
B.Convex lens of focal length 25 cm
C.Convex lens of focal length 50 cm
D.Concave lens of focal length 25 cm
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