A pin of length 2.00 cm is placed perpendicular to the principal axis of a converging lens. An inverted image of size 1.00 cm is formed at a distance of 40.0 cm from the pin. Find the focal length of the lens and its distance from the pin.

(a) A magnifying lens has a focal length of 10 cm, (a) Where should the object be placed if the image is to be 30 cm from the lens ? (b) What will be the magnification ? (b). A pin length 2.00 cm is placed perpendicular to the principal axis of a converging lens. An inverted image of size 1.00 cm is formed at a distance of 40.0 cm fromthe pin. Find focal length of the lens and its distance from the pin.

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.

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.

An object 50 cm tall is placed on the principal axis of a convex lens. Its 20 cm tall image is formed on the screen placed at a distance of 10 cm from the lens. Calculate the focal length of the lens.

When an object is placed at a distance 6 cm from a concave lens a virtual image is formed at a distance 4cm from it. Find the focal length of the lens.

An object 50 cm tall is placed on the principal axis of a convex lens. Its 20 cm tall image is formed on the screen placed at a distance of 10 cm from the lens. Calculate the focal lengths of the lens.

An object is placed at a distance of 15 cm from a convex lens.If the focal length of the lens is 60cm,find the image distance.