Which of the following expressions gives the linear magnification of a thin lens in…

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Geometric Optics · Geometric Optics

Problem

Which of the following expressions gives the linear magnification

m

of a thin lens in terms of image distance

v

and object distance

u

(standard sign convention)? (a)

m = -\dfrac{v}{u}

(b)

m = \dfrac{v}{u}

(c)

m = \dfrac{u}{v}

(d)

m = \dfrac{v - u}{u}