An object of height is kept perpendicular to the principal axis of a convex mirror of…

PHYSICS · Single correct · AP · Physics 2: Algebra-based · Geometric Optics · Geometric Optics

Problem

An object of height

1\text{ cm}

is kept perpendicular to the principal axis of a convex mirror of radius of curvature

20\text{ cm}

. If the distance of the object from the mirror is

20\text{ cm}

, then the distance between the heads of the image and the object is (a)

\sqrt{\frac{6404}{9}}

(b)

\sqrt{\frac{6414}{9}}

(c)

\frac{40}{3}

(d) None of these