At a particular time of day, the Sun's elevation angle is 60° above the horizon. For a diver who is under water and looking up toward the surface, what is the apparent elevation angle of the Sun?
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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.
At a particular time of day, the Sun's elevation angle is 60° above the horizon. For a diver who is under water and looking up toward the surface, what is the apparent elevation angle of the Sun?
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