What is the resolution limit due to diffraction for the Hale telescope at Mount Palomar, with its 200-in.-diameter mirror, for light with a wavelength of 550 nm? Compare this value with the resolution limit for the European Southern Observatory telescope found in Exercise 48.
Answer to relevant QuestionsA nearsighted person has an uncorrected far point of 200 cm. Which type of contact lenses would correct this condition, and of what focal length should it be? If a camera with a 50-mm lens is to resolve two objects that are 4.0 mm from each other and both objects are 3.5 m from the camera lens, (a) What is the minimum diameter of the camera lens? (b) What is the resolving power? ...Referring to Fig. 25.24, show that the magnifying power of a magnifying glass held at a distance d from the eye is given by when the actual object is located at the near point (25 cm). A man is unable to focus on objects nearer than 1.5 m. (a) Does he have (1) nearsightedness, (2) farsightedness, or (3) astigmatism? Explain. (b) The type of contact lenses that allows him to focus on the print of a book ...At an astronomical meeting, it is reported two galaxies had been detected, approaching each other with speeds of 0.700c and 0.600c (relative to the Earth), respectively. As a cub reporter, you are tempted to rush out and ...
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