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Exercise 9.7 - Thick Lens - Show that the paraxial focal length of a spherical lens...
The focal length of a lens is inversely proportional to the quantity (n−1), where n is the index of refraction of the lens material. The value of n, however, depends on the wavelength of the light that passes through the lens. For example, one type of flint glass has an index of refraction of nr=1.572 for red light and nv= 1.615 in violet light. Now, suppose a white object is placed 21.50 cm in front of a lens made from...
If the cornea were simply a thin lens in air, what would be its focal length? Express your answer in millimeters to three significant figures. Measurements on the cornea of a person's eye reveal that the magnitude of the front surface radius of curvature is 7.88 mm, while the magnitude of the rear surface radius of curvature is 7.28 mm (see (Figure 1)), and that the index of refraction of the comea is 1.38 FAXD ? mm Submit Request Answer...
Question 6:
What percentage error would result from miscounting
the bars by one?
EXPERIMENT 10 THIN FILM INTERFERENCE Light from a monochromatic source is shined downward on two glass plates that are separated at one end by a hair. Light that is reflected from the top and bottom surfaces of the wedge-shaped thin film of air undergoes interference, and a series of dark and light lines are seen. By counting the number of dark or light lines over a known...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated sludge operation that adversely affect effluent quality with origins in the engineering, hydraulic and microbiological components of the process. The real "heart" of the activated sludge system is the development and maintenance of a mixed microbial culture (activated sludge) that treats wastewater and which can be managed. One definition of a wastewater treatment plant operator is a "bug farmer", one who controls the aeration...