An object is placed at a distance f in front of a concave lens of focal length f. Locate its image.

An object is placed at a distance (f/2) in front of a convex mirror of focal length (f). An image is produced at a distance equal to

An object is placed at a distance of f/2 from a convex lens of focal length f. The image will be

An object is placed at a distance of f/2 from a convex lens of focal length f. The image will be

An object is placed at a distance f in the front of a convex mirror. If focal length of the mirror is f, then distance of image from pole of the mirror is

An object is placed at a distance f in the front of a convex mirror. If focal length of the mirror is f, then distance of image from pole of the mirror is

An object is placed at a distance of 40 cm in front of a concave mirror of focal length 20 cm. The image produced is

An object is placed at 6 cm distance in front of a concave mirror of focal length 4 cm. What will be the nature of the image?

An object is placed at a distance of 50 cm from a concave lens of focal length 20 cm. Find the nature and position of the image.