A convex lens of focal length 12.5 cm is used as a simple microscope. When the image is formed at infinite, magnification is _______ (Near point for the normal vision is 25 cm).

A convex lens of focal length 6.25cm is used as a simple microscope. To obtain maximum magnification, the object distance should be

A convex lens of focal length 5 cm is used as a simple microscope. What will be the magnifying power when the image is formed at the least distance of distinct vision ?

A convex lens of focal length 5cm is used as a simple microscope. What is the magnifying power, if final image is formed at the distance of distinct vision i.e. 25 cm ? If it is used as an eyepiece in a compound microscope with objective of magnifying power 40, what is the magnifying power of the compound microscope ?

A thin convex lens of focal length 5 cm is used as a simple microscope by a person with normal near point (25"cm") . What is the magnifying power of the microscope.?

A thin convex lens of focal length 5 cm is used as a simple microscope by a person with normal near point (25 cm). What is the magnifying power of the microscope ?

A thin convex lens of focal length 5 cm is used as a simple microscope by a person with normal near point (25"cm") . What is the magnifying power of the microscope.?

A thin convex lens of focal length 5 cm is used as a simple microscope by a person with normal near point (25 cm). What is the magnifying power of the microscope ?