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
ScienceClass 10CBSEAnswered 27 Mar 2026
Answer
Answer –
(c) A convex lens of focal length 5 cm can be used while reading small letters found in a dictionary
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