Question

Q.A man with normal near point (25 cm) reads a book with small print using a magnifying glass: a thin convex lens of focal length 5 cm.
(a) What is the closest and the farthest distance at which he should keep the lens from the page so that he can read the book when viewing through the magnifying glass?
(b) What is the maximum and the minimum angular magnification (magnifying power) possible using the above simple microscope?


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Answer 1

Answer:

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that, through cellular respiration, can later be released to fuel the organism's metabolic activities

Explanation:

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Answer 2

What is the closest and farthest distance at which he should keep the lens from the page so that he can read the book, when viewing through the magnifying glass? i.e., 4.2 cm is the closest distance at which the man can read the book.