A shopper standing 1.54 m from a convex security mirror sees his image with a magnification of 0.234. Determine the following. (Indicate the directions with the signs of your answers.) (a) location of his image How is the magnification of a spherical mirror related to the object and image distance? m Is it in front of or behind the mirror? in front of the mirror O behind the mirror (b) focal length of the mirror How is the focal length of a spherical mirror related to the object and image distance? m (c) radius of curvature of the mirror How is the radius of curvature of a spherical mirror related to the focal length? m
Refraction of Light
Refraction is a change in the direction of light rays when they travel from one medium to another. It is the bending of light when it goes through different media.
Angle of Refraction
Light is considered by many scientists to have dual nature, both particle nature and wave nature. First, Particle nature is one in which we consider a stream of packets of energy called photons. Second, Wave nature is considering light as electromagnetic radiation whereas part of it is perceived by humans. Visible spectrum defined by humans lies in a range of 400 to 700 nm wavelengths.
Index of Refraction of Diamond
Diamond, the world’s hardest naturally occurring material and mineral known, is a solid form of the element carbon. The atoms are arranged in a crystal structure called diamond cubic. They exist in a huge variety of colours. Also, they are one of the best conductors of heat and have a very high melting point.
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