Which one of the following expressions represents the mirror formula for a spherical…

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

Problem

Which one of the following expressions represents the mirror formula for a spherical mirror according to the Cartesian sign convention? (a)

\dfrac{1}{u}-\dfrac{1}{v}=\dfrac{1}{f}

(b)

\dfrac{1}{v}+\dfrac{1}{u}=\dfrac{1}{f}

(c)

\dfrac{1}{v}+\dfrac{1}{u}=-\dfrac{1}{f}

(d)

\dfrac{1}{u}+\dfrac{1}{v}=\dfrac{2}{f}