A convex lens has a focal length of 10 cm. Find the location and nature of the image if a point object is placed on the principal axis at a distance of (a) 9.8 cm, (b) 10.2 cm from the lens.

An object of length 2.0 cm is placed perpendicular to the principal axis of a convex lens of focal length 12 cm. Find the size of the image of the object is at a distance of 8.0 cm from the lens.

An object of length 2.0 cm is placed perpendicular to the principal axis of a convex lens of focal length 12 cm. Find the size of the image of the object is at a distance of 8.0 cm from the lens.

A convex lens has a focal length of 10 cm. The object of height 2 mm is placed at a distance of 5 cm from the pole. Find the height of the image.

An object of length 2.0 cm is placed perpedicular to the principal axis of a conve lens of focal length 12 cm. Find the size of the image of the object is at a distance of 8.0 cm from the lens.

There is a convex lens of focal length 20 cm. An object of height 3 cm is placed perpendicular to principal axis of lens at a distance 10 cm from the lens. Find the size of image.

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

What is the position of image when an object is placed is at a distance of 10 cm from a convex lens of focal length 10 cm?

A converging lens of focal length 15 cm and a converging mirror of focal length 10 cm are placed 50 cm apart with common principal axis. A point source is placed in between the lens and the mirror at a distance of 40 cm from the lens. Find the locations of the two images formed.