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

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+1 vote
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asked Jan 19, 2018 in Physics by Kundan kumar (49,132 points) ● 34 ● 383 ● 1024

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 50cm

(b) A concave lens of focal length 50cm

(c) A convex lens of focal length 5cm

(d) A concave lens of focal length 5cm

1 Answer

+1 vote
answered Jan 19, 2018 by Vikash Kumar (144,729 points) ● 8 ● 11 ● 21
selected Jan 19, 2018 by Kundan kumar
 
Best answer

Magnifier or a simple microscope consists of a convex lens of small focal length; choice (r) is correct.

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