An object of length 5 cm is placed at a distance of 30 cm from the center of a convex lens of focal length 20 cm.

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

An object is placed at a distance of 10cmm to the left on the axis of convex lens A of focal length 20cm. A second convex lens of focal length 10cm is placed coaxially to the right of the lens A at a distance of 5cm from A. Find the position of the final image and its magnification. Trace teh path of the rays.

An object 4 cm high is placed at a distance of 10 cm from a convex lens of focal length 20 cm. Find the position, nature and size of the image.

A luminous object is placed at a distance of 30 cm from the convex lens of focal length 20 cm . On the other side of the lens, at what distance from the lens a convex mirror of radius of curvature 10 cm be placed in order to have an upright image of the object coincident with it ?

A luminous object is placed at a distance of 30 cm from the convex lens, of focal length 20 cm. On the other side of the lens, at what distance from thelens a convex mirror of radius of curvature 10 cm be placed in order to have an image of the object coincident with it

A luminous object is placed at a distance of 30 cm. from the convex lens of focal length 20 cm. On the other side of the lens, at what distance from the lens, a convex mirror of radius of curvture 10 cm. be polaced in order to have an upright image of the object coincident with it ?

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?

An object is placed at a distance 20 cm from the pole of a convex mirror of focal length 20 cm. The image is produced at

If an object of 7 cm height is placed at a distance of 12 cm from a convex lens of focal length 8 cm, find the position, nature and height of the image.