Question

Define Lens Formula and Magnification with formula.​

Answer 1

Answer:

Magnification of a lens is defined as the ratio of the height of an image to the height of an object. It is also given in terms of image distance and object distance. It is equal to the ratio of image distance to that of object distance. m = \frac{h_i}{h_o} = \frac{v}{u} Where, m= magnification.

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Answer 2

Let's see how to use lens formula (1/v-1/u= 1/f) to locate images without having to draw ray diagram

Magnification of a lens is defined as the ratio of the height of an image to the height of an object. It is also given in terms of image distance and object distance. It is equal to the ratio of image distance to that of object distance. m = \frac{h_i}{h_o} = \frac{v}{u} Where, m= magnification.