Ray Diagrams For Lenses Video Lessons

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Problem: When the image of a distant object is brought into focus in front of a person's retina, the defect is called A. chromatic aberration. B. farsightedness. C. nearsightedness. D. spherical aberration.

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Spherical aberration is a phenomenon that occurs when a spherical surface such as a mirror or lens fails to converge all rays at a single point, the focal point f. 

Chromatic aberration: A phenomenon where a lens cannot focus all colors of the visible spectrum to a single point due to the difference in refraction.

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Problem Details

When the image of a distant object is brought into focus in front of a person's retina, the defect is called 

A. chromatic aberration. 

B. farsightedness. 

C. nearsightedness. 

D. spherical aberration.

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