One night while on vacation in the Caribbean you walk to the end of a dock and, for no particular reason, shine yourlaser pointer into the water. When you shine the beam of light on the water a horizontal distance of 2.4 m from thedock, you see a glint of light from a shiny object on the sandy bottom—perhaps a gold doubloon. If the pointer is1.8 m above the surface of the water, and the water is 5.5 m deep, what is the horizontal distance from the end of thedock to the shiny object?
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.
One night while on vacation in the Caribbean you walk to the end of a dock and, for no particular reason, shine your
laser pointer into the water. When you shine the beam of light on the water a horizontal distance of 2.4 m from the
dock, you see a glint of light from a shiny object on the sandy bottom—perhaps a gold doubloon. If the pointer is
1.8 m above the surface of the water, and the water is 5.5 m deep, what is the horizontal distance from the end of the
dock to the shiny object?
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