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- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/15%3A_Electromagnetic_Radiation/15.05%3A_Light_Color_and_PerceptionThe retina is a collection of cells lining the eyeball that gather information from the light and send it to the occipital lobe of our brain via the optic nerve. It is known that there are nerve conne...The retina is a collection of cells lining the eyeball that gather information from the light and send it to the occipital lobe of our brain via the optic nerve. It is known that there are nerve connections between rods and cones in the retina, and the optic nerve that carries information to the brain has fewer connections to the brain than there are rods and cones.
- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/16%3A_Reflections_and_Refraction_of_Waves/16.02%3A_Optics/16.2.02%3A_RefractionThe light that travels from the pencil through the liquid, through the glass, and into the air is bent differently than light from the portion of the pencil that is not in the liquid. Snell’s Law may ...The light that travels from the pencil through the liquid, through the glass, and into the air is bent differently than light from the portion of the pencil that is not in the liquid. Snell’s Law may be stated that a ray of light bends in such a way that the ratio of the sine of the angle of incidence to the sine of the angle of refraction is a constant.
- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/16%3A_Reflections_and_Refraction_of_Waves/16.02%3A_Optics/16.2.01%3A_ReflectionIf the reflecting surface is a very smooth surface, the reflection will be a regular reflection, in which the light rays maintain their position relative to each other and objects will be visible and ...If the reflecting surface is a very smooth surface, the reflection will be a regular reflection, in which the light rays maintain their position relative to each other and objects will be visible and identifiable in the reflected image. The law of reflection states that, when a light ray strikes a reflecting surface, the angle of incidence (measured from the normal line) is equal to the angle of reflection (also measured from the normal line).
- https://phys.libretexts.org/Courses/Coalinga_College/Physical_Science_for_Educators_(CID%3A_PHYS_14)/16%3A_Reflections_and_Refraction_of_Waves/16.02%3A_Optics/16.2.06%3A_Convex_MirrorsIn convex mirrors, the reflecting surface is on the outside of the sphere, making the center of curvature and the focal point on the opposite side of the mirror from the object. For convex mirrors, th...In convex mirrors, the reflecting surface is on the outside of the sphere, making the center of curvature and the focal point on the opposite side of the mirror from the object. For convex mirrors, the reflecting surface is on the outside of the sphere, placing the center of curvature and the focal point on the opposite side of the mirror from the object. Since the focal point is on the opposite side of the mirror from the object, the focal length is assigned a negative number.
