How large is the diameter of the camera required

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1. Photographic cameras on spy satellites supposedly can read the license plate of a car on the ground. About how far apart are the digits on a license plate? If the satellite orbits at a height of 160 km, about what angular resolution would you estimate is required to read the license plate? How large is the diameter of the camera required for such a feat?

2. The structure of biological molecules is determined most commonly by use of x-ray diffraction. Why use x-rays instead of more readily available (and brighter!) light, like lasers?

Reference no: EM13274861

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