A square ABCD of side 1mm is kept at distance 15cm in front of the concave mirror as shown in Figure. The focal length of the mirror is 10cm. The length of the perimeter of its image will be

A circular plate of radius 2 cm is kept at a distance of 22 cm in front of a concave mirror. The focal length of mirror is 10 cm. Calculate the perimeter of image formed if plate is kept coaxially to the principal axis.

A point light source is kept in front of a convex mirror at a distance of 40 cm. The focal length of the mirror is 40 cm. Find the position of image.

An object of height 7 cm is kept at a distance of 25 cm in front of a concave mirror. The focal length of the mirror is 15 cm. At what distance from the mirror should a screen be kept so as to get a clear image? What will be the size and nature of the image?

An object of height 7 cm is kept at a distance of 25 cm in front of a concave mirror. The focal length of the mirror is 15 cm. At what distance from the mirror should a screen be kept so as to get a clear image? What will be the size and nature of the image?

An object at a distance of 30 cm from a concave mirror gets its image at the same point. The focal length of the mirror is

If an object is placed 10 cm in front of a concave mirror of focal length 20 cm, the image will be.

An object is placed at a distance 40 cm in front of concave mirror. Focal length of mirror is 20 cm, so what will be type of image ?

A rod AB of length 5 cm is placed in front of a concave mirror of focal length 10 cm as shown in figure. The length of the image of AB formed by the mirror is

Assume that an object is kept at a distance of 20 cm in front of a concave mirror. If its focal length is 30 cm then What is the image distance ?