Solved: A spy satellite orbiting at 160 km above Earth's
Chapter , Problem 97(choose chapter or problem)
A spy satellite orbiting at 160 km above Earth's surface has a lens with a focal length of 3.6 m and can resolve objects on the ground as small as 30 cm. For example, it can easily measure the size of an aircraft's air intake port. What is the effective diameter of the lens as determined by diffraction consideration alone? Assume A = 550 nm.
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