An object is kept in front of

PHYSICS · Subjective · AP · Physics 2: Algebra-based · Geometric Optics · Geometric Optics

Problem

An object is kept

15\,\text{cm}

in front of (a) a concave mirror of focal length

10\,\text{cm}

and (b) a convex lens of focal length

10\,\text{cm}

. For each optical element, calculate the image distance and state whether the image is real or virtual.