A lense is used to produce sharp image in a screen.When the right half of the lense is covered with on opaque material,how will image be affected?The right half of the image will disappearThe left half of the image will disappearThe image size will become approximately 1/2 of the Original sizeThe image brightness will become approximately 1/2 of the Original size

A i,ii,iii

B i,iii

C ii,iv