A person 6 feet in height can see his full size erect image in a mirror 2 feet in height. This mirror has to be

Question

A person 6 feet in height can see his full size erect image in a mirror 2 feet in height. This mirror has to be (A) plane or convex (B) plane or concave (C) necessarily convex (D) necessarily concave

Tardigrade Admin · Accepted Answer

To see an erect, virtual, diminished image, we can use a convex mirror. To see the full image of an object of height h, a plane mirror of (h/2) atleast is required. Concave mirror produces an enlarged image if it is virtual.

Q. A person 6 feet in height can see his full size erect image in a mirror 2 feet in height. This mirror has to be

plane or convex

plane or concave

necessarily convex

necessarily concave

To see an erect, virtual, diminished image, we can use a convex mirror. To see the full image of an object of height h, a plane mirror of $\frac{h}{2}$ atleast is required. Concave mirror produces an enlarged image if it is virtual.

Q. A person 6 feet in height can see his full size erect image in a mirror 2 feet in height. This mirror has to be

plane or convex

plane or concave

necessarily convex

necessarily concave

To see an erect, virtual, diminished image, we can use a convex mirror. To see the full image of an object of height h, a plane mirror of 2h​ atleast is required. Concave mirror produces an enlarged image if it is virtual.

To see an erect, virtual, diminished image, we can use a convex mirror. To see the full image of an object of height h, a plane mirror of $\frac{h}{2}$ atleast is required. Concave mirror produces an enlarged image if it is virtual.