An object is placed 12cm in front of a lens to form an image on a screen. The size of the image is twice that of the object. What is the distance between the object and the image?

An object is placed in front of a convex lens of focal length 12 cm. If the size of the real image formed is half the size of the object, calculate the distance of the object from the lens.

An object 25 cm high is placed in front of a convex lens of focal length 30 cm . If the height of image formed is 50 cm , find the distance between the object and the image (real and virtual)?

An object 25 cm high is placed in front of a convex lens of focal length 30 cm . If the height of image formed is 50 cm , find the distance between the object and the image (real and virtual)?

An object 25 cm high is placed in front of a convex lens of focal length 30 cm . If the height of image formed is 50 cm , find the distance between the object and the image (real and virtual)?

A lens of focal length 12 cm forms an upright image three times the size of a real object. Find the distance in cm between the object and image.

A lens of focal length 12 cm forms an upright image three times the size of a real object. Find the distance in cm between the object and image.

Solve the following examples/ numerical problems: A spherical lens is used to obtain an image on a screen . The size of the image is four times the size of the object. What is the type of lens and at what distance is the screen placed from the lens ?

The size of the image formed ________ as the distance between the object and the lens decreases in convex lens.

An object 2.5 cm high is placed in front of a convex lens of focal length 30 cm. If the height of image formed is 5 cm, find the distance between the object and the image?