What Do We Mean by the Diffraction Limit of a Telescope

question 22

Multiple Choice

What do we mean by the diffraction limit of a telescope?

• A)It is the maximum size to which any telescope can be built.
• B)It describes the farthest distance to which the telescope can see.
• C)It describes the maximum exposure time for images captured with the telescope.
• D)It is the best angular resolution the telescope could achieve with perfect optical quality and in the absence of atmospheric distortion.