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

An object is placed at 12 cm from a convex lens whose focal length is 10 cm . The image must __________ .

An object is placed 20 cm from a convex lens of focal length 10 cm. The image must be-

An object is placed at a distance 20 cm from a convex lens of focal length 10 cm . Find the image distance and nature of the image .

If an object is placed at 50 cm from a convex lens of focal length 25 cm , what will be the image distance ?

An object is placed at a distance of 20 cm from a convex lens of focal length 10 cm . The image is formed on the other side of the lens at a distance

An object is kept at a distance of 15 cm from a convex lens of focal length 10 cm. Calculate the image distance and state the characteristics of the image formed.