[" An object is placed "20cm" to the left of a "],[" convex lens of focal length "10cm" .Find "],[" the magnitude of magnification "]

An object is placed at a distance of 30 cm from a convex lens of focal length 20 cm.

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.

An object is placed 20 cm to the left of a convex lens of focal length 10 cm. If a concave mirror of focal length 5cm is placed 30 cm to the right of the lens, find the magnification and the nature of the final image. Draw the ray diagram and locate the position of the image.

An object placed 10 cm in front of a convex lens of focal length 15 cm. The image produced will be

An object is placed 15 cm in front of a convex lens of focal length 10 cm . Find the nature and position of image formed. Where should a concave mirror of radius of curvature 20 cm be position of the object itself ?

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.