What Is the Reason for the Fact That a Reflecting

question 41

Multiple Choice

What is the reason for the fact that a reflecting telescope used at prime focus does not suffer from chromatic aberration?

• A) The aluminum coating on the mirror absorbs light from all wavelengths except the one of interest to the astronomer, and this light is focused perfectly.
• B) The light has passed through only one lens.
• C) All wavelengths of light are reflected by the same amount, regardless of color.
• D) The lens is so perfectly formed that all colors of light travel through the lens along the same path.

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