A Certain Astronomical Telescope Has a Diameter of 5

question 20

Multiple Choice

A certain astronomical telescope has a diameter of 5.60 m.Considering only the limitation due to diffraction,what is the minimum angle of resolution for this telescope at a wavelength of 620 nm?

• A) 0.111 µrad
• B) 0.311 µrad
• C) 0.270 µrad
• D) 0.135 µrad
• E) 0.405 µrad

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