. 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

Best Answer

Answer: (c) A convex lens of focal length 5 cm is used for reading small letters. Thus, option (c) is correct.

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