A converging lens is used to form an image on a screen. When the upper half of the lens is covered by an opaque screen

A converging lens is used to form an image on a screen. When the upper

1.	A converging lens is used to form an image on a screen. When the upper half of the lens is covered by an opaque screen
Answer» HALF of the IMAGE will disappear complete image will be formed intensity of the image will increases intensity of the image will decreases Answer :B::D