You view a mountain with a magnifying glass of focal length cm. What is the magnification?
What will be the angular magnification of a convex lens with the focal length 2.5 cm?
If the image formed on the retina subtends an angle of and the object subtends an angle of , what is the magnification of the image? The lens-to-retina distance is 2.00 cm.
How far should you hold a 2.1-cm-focal length magnifying glass from an object to obtain a magnification of 10x? Assume you place your eye 5.0 cm from the magnifying glass.
A magnifying glass produces an angular magnification of 4.5x when used by a person with a near point of 18 cm. What is the maximum angular magnification obtained with the lens by a person with a near point of 45 cm?