Simple Nature - Light and Matter
d/An image formed by a curved mirror. e/The image is magnified by the same factor in depth and in its other dimensions. f/Increa ...
down magnification is AB/DE. A repetition of the same proof shows that the magnification in the third dimension (out of the page ...
h/A Newtonian telescope being used with a camera. given point on the object are too strongly diverging (spreading) for the mirro ...
i/A Newtonian telescope being used for visual rather than photographic observing. In real life, an eyepiece lens is normally use ...
k/The person uses a mirror to get a view of both sides of the ladybug. Although the flat mirror hasM= 1, it doesn’t give an an- ...
B Locate the images formed by two perpendicular mirrors, as in the figure. What happens if the mirrors are not perfectly perpend ...
C Locate the images formed by the periscope. Section 12.2 Images by reflection 787 ...
a/The relationship between the object’s position and the image’s can be expressed in terms of the anglesθoandθi. 12.3 Images, qu ...
b/The geometrical interpre- tation of the focal angle. c/Example 4, an alternative test for finding the focal angle. The mirror ...
d/The object and image dis- tances e/Mirror 1 is weaker than mirror 2. It has a shallower curvature, a longer focal length, and ...
figure a/1. Second, it is usually easier to measure distances rather than angles, so the distance form is more convenient for nu ...
12.3.2 Other cases with curved mirrors The equationdi= (1/f− 1 /do)−^1 can easily produce a negative result, but we have been th ...
Lettingdobe less thanfis equivalent toθo> θf: a virtual image is produced on the far side of the mirror. This is the first ex ...
signs also have to be memorized for focal lengths. Ugh! It’s highly unlikely that any student has ever retained these lengthy ta ...
g/Example 8. are assigned negative focal lengths in the other method, so if you see a lens labeledf=−30 cm, you’ll know what it ...
h/A diverging mirror in the shape of a sphere. The image is re- duced (M < 1). This is similar to example 8, but here the ima ...
degree panorama, the problem would be similar to the problem of representing the Earth’s surface on a flat map, which can’t be a ...
j/Spherical mirrors are the cheapest to make, but parabolic mirrors are better for making images of objects at infinity. A spher ...
l/The Hubble Space Telescope was placed into orbit with faulty optics in 1990. Its main mir- ror was supposed to have been nearl ...
a/A human eye. b/The anatomy of the eye. c/A simplified optical dia- gram of the eye. Light rays are bent when they cross from t ...
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