![The least distance of distinct vision is 25cm. The focal length of a convex lens of a simple microscope is 5 cm. Its magnifying power if the image is at near point The least distance of distinct vision is 25cm. The focal length of a convex lens of a simple microscope is 5 cm. Its magnifying power if the image is at near point](https://d2rrqu68q7r435.cloudfront.net/images/2534507/d084c009-ce51-415b-807c-42394f6deae1.jpg)
The least distance of distinct vision is 25cm. The focal length of a convex lens of a simple microscope is 5 cm. Its magnifying power if the image is at near point
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A card sheet divided into square each of size 1 mm^2 is being viewed at a distance of 9 cm through a magnifying glass (a converging lens of focal length 10 cm )
![A first course in projective geometry . Fig. 916. It appears that an ellipse always has a real director circle;a hyperbola only when AC > BC. In the rectangular hyperbola AC = A first course in projective geometry . Fig. 916. It appears that an ellipse always has a real director circle;a hyperbola only when AC > BC. In the rectangular hyperbola AC =](https://c8.alamy.com/comp/2AXGNDB/a-first-course-in-projective-geometry-fig-916-it-appears-that-an-ellipse-always-has-a-real-director-circlea-hyperbola-only-when-ac-gt-bc-in-the-rectangular-hyperbola-ac-=-bc-and-the-directorcircle-becomes-a-point-circle-at-the-centre-of-the-curve-in-the-parabola-the-circle-has-an-infinite-radius-and-thusbecomes-a-straight-line-it-is-easily-shown-that-this-line-is-the-directrix-for-iftp-tp-are-the-tangents-sy-sy-the-focal-perpendiculars-onthem-y-and-y-lie-on-the-tangent-at-the-vertex-fig-92-but-syty-is-a-rectangle-and-st-is-bisected-by-yy-t-musttherefore-lie-on-a-line-para-2AXGNDB.jpg)
A first course in projective geometry . Fig. 916. It appears that an ellipse always has a real director circle;a hyperbola only when AC > BC. In the rectangular hyperbola AC =
![The suitable focal length of the convex lens used as magnifying lens to read hallmark 916 written on - Brainly.in The suitable focal length of the convex lens used as magnifying lens to read hallmark 916 written on - Brainly.in](https://hi-static.z-dn.net/files/d31/6b535973f5a40124639a85d8c9db59c6.jpg)
The suitable focal length of the convex lens used as magnifying lens to read hallmark 916 written on - Brainly.in
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