When white light is incident on a yellow pigment,which color of light is not reflected?

What happens to the lens and the ciliary muscles when you are looking at nearby objects?

When white light is incident on a yellow pigment,which colors of light are reflected?

Which color of light is scattered the most due to the atmosphere?

$(a)$ Explain how a normal human eye is able to see distinctly objects placed at a distance as well as those placed at a nearer distance.
$(b)$ What are the far point and near point of a normal human eye?

The figure below shows a glass prism placed in the minimum deviation position. $A$ ray of monochromatic light is incident on its face $AB$. Copy the diagram and show the refracted and the emergent ray. Mark the angle of deviation. State any two factors on which the angle of deviation depends.