What is the nature of image formed when an object is held at a distance of 10 cm from the pole of a concave mirror of focal length 15 cm?

Find the size, nature and position of the image formed when an object of size 1 cm is placed at a distance of 15 cm from a concave mirror of focal length 10 cm.

An object is placed at a distance of 30 cm from a concave mirror of focal length 15 cm. The image will be

An object is placed at a distance of 20 cm from the pole of a concave mirror of focal length 10 cm. The distance of the image formed is

An object is placed at a distance of 20 cm from the pole of a concave mirror of focal length 10 cm. The distance of the image formed is

An object is placed at the distance of 30 cm from a concave mirror of focal length 15 cm. The image will be-

An object is placed at a distance of 20 cm from a concave mirror of focal lenght 10 cm. What is the image distance?