What is the nature of the image formed by a concave mirror if the magnification produced by the mirror is +3?

(b) – 20 cm is the correct option.

(d) When an object is placed between the pole and principal focus of a concave mirror, the image formed is virtual, erect, and larger than the object.

(b) virtual, behind the mirror and of the same size as the object.

Here, in case of concave mirror u=10 cm [u, is always negative] v =?;m = - 3 [real image] Now the magnification formula is m= -v/u or -3= -(v/-10) or , v = -30 cm. Image will...

The virtual image formed by a concave mirror is always magnified whereas the virtual image formed by a convex mirror is diminished.

By observing the virtual images formed by the three mirrors, we can distinguish between the mirrors as: (i) Plane mirror will produce an image of the same size, (ii) Concave mirror will...

(b) concave mirror or convex lens.

(b) concave mirror or convex lens.

(c) both concave mirror and convex lens.

(a) Virtual image formed is larger in size in case of concave mirror.