A thin rod of length is placed along the optic axis of a concave mirror of focal…

PHYSICS · Subjective · CBSE · Physics · Light — Reflection and Refraction · Light — Reflection and Refraction

Problem

A thin rod of length

\frac{f}{3}

is placed along the optic axis of a concave mirror of focal length

f

such that its image which is real and elongated, just touches the rod. The magnification is .....