As the distance of an object from us increases, its size ________ in our vision.
A divergence lens of focal length of 30cm forms the image of an object of size 6 cm on the same side as of the object at a distance of 15cm from its optical centre .use lens formula to determine the distance of the object from the lens and the size of image formed ...
Draw a ray daigram to show the formation of image in the above situation .
A convex lens produces a double size real image when an object is placed at a distance of 18 cm from it. Where should the object be placed to produce a triple size real image ?