1.

The relation between the linear magnification m,the object distance u and the focal length tis:19.10(1) m(2) m(3) m(4)mfu

Answer»

The relationship between magnification and focal length for different optical instruments or devices is different.

For a single thin lens, magnification, m, can be written as:

m = f/(f-u)

Here f is the focal length of the thin lens and u is the distance between the lens and object.

(2) is correct option



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