A point object is placed as shown. The two pieces are of the same lens of focal length 10 cm. Find the distance (in cm) between the two images formed by two pieces of the lens.

An object is placed at a distance of 10 cm from a convex lens of focal length 12 cm. Find the position and nature of the image.

An object is placed at a distance of 10 cm from a convex lens of focal length 12 cm. Find the position and nature of the image.

An object is placed at a distance of 10 cm before a convex lens of focal length 20 cm. find the position and nature of the image?

An object is placed at a distance of 10cm from a convex lens of focal length 12cm.Find the position and nature of the image.

A point object is placed at a distance of 12 cm on the axis of a convex lens of focal length 10 cm. On the other side of the lens, a convex mirror is placed at a distance of 10 cm from the lens such that the image formed by the combination coincides with the object itself. What is the focal length of convex mirror ?

An object is placed 25 cm from a convex lens whose focal length is 10 cm . The image distance is ___________ cm.

A point object is placed at a distance of 12 cm from a convex lens of focal length 10 cm. On the other side of the lens, a convex mirror is placed at a distance of 10 cm from the lens such that the image formed by the combination coincides with the object itself. The focal length of the convex mirror is

A point object is placed at a distance of 12 cm from a convex lens of focal length 10 cm. On the other side of the lens, a convex mirror is placed at a distance of 10 cm from the lens such that the image formed by the combination coincides with the object itself. The focal length of the convex mirror is