How Is Chromatic Aberration Corrected in Large Astronomical Reflecting Telescopes

question 44

Multiple Choice

How is chromatic aberration corrected in large astronomical reflecting telescopes?

• A) a combination of lenses designed to cancel the aberrations
• B) use a parabolic mirror instead of a spherical mirror
• C) a reflecting telescope has no chromatic aberration
• D) change the resolution of the telescope

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