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Answer the following question : (c) Magnifying power of a simple microscope is inversely proportional to the focal length of the lens. What then stops us from using a convex lens of smaller and smaller focal length and achieving greater and greater magnifying power?

Answer the following question :
(c) Magnifying power of a simple microscope is inversely proportional to the focal length of the lens. What then stops us from using a convex lens of smaller and smaller focal length and achieving greater and greater magnifying power?

Grade:11

1 Answers

Apoorva Arora IIT Roorkee
askIITians Faculty 181 Points
7 years ago
The focal length of a convex lens cannot be decreased by a greater amount. This is because making lenses having very small focal lengths is not easy. Spherical and chromatic aberrations are produced by a convex lens having a very small focal length.
Thanks and Regards
Apoorva Arora
IIT Roorkee
askIITians Faculty

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