Which of the following lenses would you prefer to use while reading sm – InterviewSolution

1.	Which of the following lenses would you prefer to use while reading small letters found in a dictionary?(a) A convex lens of focal length 50 cm.(b) A concave lens of focal length 50 cm.(c) A convex lens of focal length 5 cm.(d) A concave lens of focal length 5 cm.
Answer» (c) A convex lens of focal length 5cm.

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