4) Radio waves are diffracted by large objects such as buildings, whereas light is not noticeably diffracted. Why is this? A) Radio waves are unpolarized, whereas light is normally polarized. B) Radio waves are coherent and light is usually not coherent. C) The wavelength of light is much smaller than the wavelength of radio waves. D) The wavelength of light is much greater than the wavelength of radio waves. E) Radio waves are polarized, whereas light is usually unpolarized.
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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