A spy satellite uses a telescope with a 2.0-m-diameter
Chapter 19, Problem 50GP(choose chapter or problem)
Problem 50GPA spy satellite uses a telescope with a 2.0-m-diameter mirror. It orbits the earth at a height of 220 km. What minimum spacing must there be between two objects on the earth’s surface if they are to be resolved as distinct objects by this telescope? Assume the telescope’s resolution is limited only by diffraction and that it is recording light with a wavelength of 500 nm.
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