Questions
For a long sighted person, least distant of distinct vision is x meter. He wants to read news paper placed at x/2 meter from him. He uses spectacle having lenses of power x D. What is x :
detailed solution
Correct option is C
1f=1v−1uu=−x2,v=−x1f=−1x+2x1f=1xf=1 mTalk to our academic expert!
Similar Questions
Image of the sun is formed by a binconvex lens of focal length f. The image is a circular patch of radius r and is formed on the focal plane of the lens. Choose the correct statement from the following
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