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Question -

Which of the following lenses would you prefer to use while reading small letters found in a dictionary?



Answer -

(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 5 cm can be used while reading small letters found in a dictionary

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