Which of the following expressions gives the linear magnification produced by a thin…

PHYSICS · Single correct · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

Which of the following expressions gives the linear magnification

M

produced by a thin lens in terms of the image distance

s_i

and object distance

s_o

when standard sign conventions are used? (a)

M=\dfrac{s_i}{s_o}

(b)

M=-\dfrac{s_i}{s_o}

(c)

M=\dfrac{s_o}{s_i}

(d)

M=-\dfrac{1}{s_o s_i}