The nearer an object is to a converging lens, the __________ the image produced. What word completes this sentence?smallerbigger

What is the missing word in this sentence? A lens gives a magnification of 0.3, so the image produced will be __________ than the object.

Where should an object be placed in front of a convex lens that the image willbereduced?

Power of a concave lens is 5D. An object is placed at a distance of 40cm from the lens. Calculate the image distance(with sign).

Where is the location of an object to produce an image that has same size with theobject in convex lens?

Show that the least possible distance between an object and its real image in aconvex lens is 4f, where f is the focal length of the lens