A concave mirror is used to obtain a real image twice the size of the object
PHYSICS · Single correct · AP · Physics 2: Algebra-based · Geometric Optics · Geometric Optics
Problem
A concave mirror is used to obtain a real image twice the size of the object. Where should the object be placed?
(a) Between the focus and the pole of the mirror
(b) Between the centre of curvature and the focus (at 1.5f)
(c) At the centre of curvature, 2f from the mirror
(d) At a distance 3f from the mirror (beyond the centre of curvature)