A) draw a ray diagram for Ray's leaving the tip of the arrow and the base of the arrow.

A) draw a ray diagram for Ray's leaving the tip of the arrow and the base of the arrow.B) if the aperture is reduced to 50% of its current diameter, by what fraction does the brightness of the image change?C) describe how the image of the tip of the arrow varies as the aperture is opened or closed.D) if the aperture was made smaller and smaller, what would the image of the whole arrow start to resemble?