A convex lens of power 0.04 dioptre produces an image which is double the size of object placed In front of it. Find the position of the object.

A convex lens produces an inverted image of size 1.4cm The size of object is 0.7cm.What is the nature of image

By using which type of lens will we get an image having the same size as the object ? What is the position of the object ?

A convex lens produces an inverted image of size 1.4cm The size of object is 0.7cm. If the object is at distance 30 cm from the lens. Calculate focal length of the lens

A convex lens produces an inverted image of size 1.4cm The size of object is 0.7cm. What is magnification in the case