Question

define magnifying power of an optical instrument​

Answer 1

Answer:

The magnifying power is defined as the ratio between the angular size θ' of the image seen by the eye through the instrument, and the angular size θ of the object as seen with the naked eye.

Answer 2

Answer:

Magnifying power is defined as the ratio between the dimensions of the image and the object. The process of magnification can occur in lenses, telescopes, microscopes and even in slide projectors. Simple magnifying lenses are biconvex - these lenses are thicker at the center than at the edges.