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The figure below shows a single lens with two rays of white light incident on it from the left. Sketch the paths of the blue, yellow, and red components of each of these rays to the point where the light from the upper and lower rays would meet.
Small
Of a size that is less than normal or usual; the term is relative and can be used in various contexts to denote physical size.
Auto-
A prefix meaning self or same, used in terms that denote self-action, such as autoimmunity.
Self
The total, essential, or particular being of a person; the individual.
Mono-
A prefix meaning one, single, or alone; used in various scientific and medical terms.
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