Achromatic refers to optical lenses that are capable of transmitting a light signal without separating the light into its constituent colors. A prism is an example of a lens that separates light signals into constituent colors (like a rainbow) whereas a telescopic lens or a lens that is used with a flashlight is an achromatic light where white light does not separate itself into multiple colors.

Alleydog Psychology Trivia Question - Are You Game?


Question: A book about psychology, Peri Psyches, was written by ______________ in the 5th century BC.


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